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Finding the Fourth Proportional to 101,688.60, 152,241.30 and 62,322.60

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Solution

The fourth proportional to 101,688.60, 152,241.30 and 62,322.60 is: 93,305.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,688.60 : 152,241.30 = 62,322.60 : x
  2. Step 2: Convert to fraction form
    101,688.60/152,241.30 = 62,322.60/x
  3. Step 3: Cross multiply
    101,688.60x = 152,241.30 × 62,322.60
  4. Step 4: Simplify right side
    101,688.60x = 9,488,073,643.38
  5. Step 5: Solve for x
    x = 9,488,073,643.38/101,688.60
  6. Step 6: Final answer
    x = 93,305.19

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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.