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Finding the Fourth Proportional to 88,975.80, 133,463.70 and 88,457.40

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Solution

The fourth proportional to 88,975.80, 133,463.70 and 88,457.40 is: 132,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,975.80 : 133,463.70 = 88,457.40 : x
  2. Step 2: Convert to fraction form
    88,975.80/133,463.70 = 88,457.40/x
  3. Step 3: Cross multiply
    88,975.80x = 133,463.70 × 88,457.40
  4. Step 4: Simplify right side
    88,975.80x = 11,805,851,896.38
  5. Step 5: Solve for x
    x = 11,805,851,896.38/88,975.80
  6. Step 6: Final answer
    x = 132,686.10

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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.