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Finding the Fourth Proportional to 73,312.47, 110,023.98 and 53,641.77

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Solution

The fourth proportional to 73,312.47, 110,023.98 and 53,641.77 is: 80,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,312.47 : 110,023.98 = 53,641.77 : x
  2. Step 2: Convert to fraction form
    73,312.47/110,023.98 = 53,641.77/x
  3. Step 3: Cross multiply
    73,312.47x = 110,023.98 × 53,641.77
  4. Step 4: Simplify right side
    73,312.47x = 5,901,881,029.64
  5. Step 5: Solve for x
    x = 5,901,881,029.64/73,312.47
  6. Step 6: Final answer
    x = 80,503.10

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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.