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Finding the Fourth Proportional to 107,553.30, 161,329.95 and 60,897.30

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Solution

The fourth proportional to 107,553.30, 161,329.95 and 60,897.30 is: 91,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,553.30 : 161,329.95 = 60,897.30 : x
  2. Step 2: Convert to fraction form
    107,553.30/161,329.95 = 60,897.30/x
  3. Step 3: Cross multiply
    107,553.30x = 161,329.95 × 60,897.30
  4. Step 4: Simplify right side
    107,553.30x = 9,824,558,364.14
  5. Step 5: Solve for x
    x = 9,824,558,364.14/107,553.30
  6. Step 6: Final answer
    x = 91,345.95

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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.