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Finding the Fourth Proportional to 73,602, 101,572.92 and 40,070.16

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Solution

The fourth proportional to 73,602, 101,572.92 and 40,070.16 is: 55,298.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,602 : 101,572.92 = 40,070.16 : x
  2. Step 2: Convert to fraction form
    73,602/101,572.92 = 40,070.16/x
  3. Step 3: Cross multiply
    73,602x = 101,572.92 × 40,070.16
  4. Step 4: Simplify right side
    73,602x = 4,070,043,156.07
  5. Step 5: Solve for x
    x = 4,070,043,156.07/73,602
  6. Step 6: Final answer
    x = 55,298.00

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Why These Related Problems?

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