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Finding the Fourth Proportional to 150,963.68, 208,349.55 and 97,404.53

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Solution

The fourth proportional to 150,963.68, 208,349.55 and 97,404.53 is: 134,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,963.68 : 208,349.55 = 97,404.53 : x
  2. Step 2: Convert to fraction form
    150,963.68/208,349.55 = 97,404.53/x
  3. Step 3: Cross multiply
    150,963.68x = 208,349.55 × 97,404.53
  4. Step 4: Simplify right side
    150,963.68x = 20,294,188,951.71
  5. Step 5: Solve for x
    x = 20,294,188,951.71/150,963.68
  6. Step 6: Final answer
    x = 134,430.93

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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.