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Finding the Fourth Proportional to 88,341.47, 132,513.29 and 48,975.47

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Solution

The fourth proportional to 88,341.47, 132,513.29 and 48,975.47 is: 73,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,341.47 : 132,513.29 = 48,975.47 : x
  2. Step 2: Convert to fraction form
    88,341.47/132,513.29 = 48,975.47/x
  3. Step 3: Cross multiply
    88,341.47x = 132,513.29 × 48,975.47
  4. Step 4: Simplify right side
    88,341.47x = 6,489,899,751.55
  5. Step 5: Solve for x
    x = 6,489,899,751.55/88,341.47
  6. Step 6: Final answer
    x = 73,463.80

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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.