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Finding the Fourth Proportional to 229,415.74, 316,644.36 and 127,476.25

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Solution

The fourth proportional to 229,415.74, 316,644.36 and 127,476.25 is: 175,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,415.74 : 316,644.36 = 127,476.25 : x
  2. Step 2: Convert to fraction form
    229,415.74/316,644.36 = 127,476.25/x
  3. Step 3: Cross multiply
    229,415.74x = 316,644.36 × 127,476.25
  4. Step 4: Simplify right side
    229,415.74x = 40,364,634,013.23
  5. Step 5: Solve for x
    x = 40,364,634,013.23/229,415.74
  6. Step 6: Final answer
    x = 175,945.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.