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Finding the Fourth Proportional to 85,901.50, 118,557.03 and 52,386.94

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Solution

The fourth proportional to 85,901.50, 118,557.03 and 52,386.94 is: 72,301.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,901.50 : 118,557.03 = 52,386.94 : x
  2. Step 2: Convert to fraction form
    85,901.50/118,557.03 = 52,386.94/x
  3. Step 3: Cross multiply
    85,901.50x = 118,557.03 × 52,386.94
  4. Step 4: Simplify right side
    85,901.50x = 6,210,840,017.19
  5. Step 5: Solve for x
    x = 6,210,840,017.19/85,901.50
  6. Step 6: Final answer
    x = 72,301.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.