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Finding the Fourth Proportional to 161,386.80, 242,079.76 and 49,066.52

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Solution

The fourth proportional to 161,386.80, 242,079.76 and 49,066.52 is: 73,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,386.80 : 242,079.76 = 49,066.52 : x
  2. Step 2: Convert to fraction form
    161,386.80/242,079.76 = 49,066.52/x
  3. Step 3: Cross multiply
    161,386.80x = 242,079.76 × 49,066.52
  4. Step 4: Simplify right side
    161,386.80x = 11,878,011,385.64
  5. Step 5: Solve for x
    x = 11,878,011,385.64/161,386.80
  6. Step 6: Final answer
    x = 73,599.65

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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.