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Finding the Fourth Proportional to 88,975.78, 133,500.87 and 39,030.10

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Solution

The fourth proportional to 88,975.78, 133,500.87 and 39,030.10 is: 58,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,975.78 : 133,500.87 = 39,030.10 : x
  2. Step 2: Convert to fraction form
    88,975.78/133,500.87 = 39,030.10/x
  3. Step 3: Cross multiply
    88,975.78x = 133,500.87 × 39,030.10
  4. Step 4: Simplify right side
    88,975.78x = 5,210,552,306.19
  5. Step 5: Solve for x
    x = 5,210,552,306.19/88,975.78
  6. Step 6: Final answer
    x = 58,561.47

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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.