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Finding the Fourth Proportional to 105,332.40, 157,998.60 and 60,936.30

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Solution

The fourth proportional to 105,332.40, 157,998.60 and 60,936.30 is: 91,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,332.40 : 157,998.60 = 60,936.30 : x
  2. Step 2: Convert to fraction form
    105,332.40/157,998.60 = 60,936.30/x
  3. Step 3: Cross multiply
    105,332.40x = 157,998.60 × 60,936.30
  4. Step 4: Simplify right side
    105,332.40x = 9,627,850,089.18
  5. Step 5: Solve for x
    x = 9,627,850,089.18/105,332.40
  6. Step 6: Final answer
    x = 91,404.45

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1.5x scale

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.