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Finding the Fourth Proportional to 229,785,661.60, 344,678,492.40 and 157,226,250.40

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Solution

The fourth proportional to 229,785,661.60, 344,678,492.40 and 157,226,250.40 is: 235,839,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,785,661.60 : 344,678,492.40 = 157,226,250.40 : x
  2. Step 2: Convert to fraction form
    229,785,661.60/344,678,492.40 = 157,226,250.40/x
  3. Step 3: Cross multiply
    229,785,661.60x = 344,678,492.40 × 157,226,250.40
  4. Step 4: Simplify right side
    229,785,661.60x = 54,192,506,953,576,896
  5. Step 5: Solve for x
    x = 54,192,506,953,576,896/229,785,661.60
  6. Step 6: Final answer
    x = 235,839,375.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.