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Finding the Fourth Proportional to 72,241.77, 99,713.68 and 42,032.93

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Solution

The fourth proportional to 72,241.77, 99,713.68 and 42,032.93 is: 58,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,241.77 : 99,713.68 = 42,032.93 : x
  2. Step 2: Convert to fraction form
    72,241.77/99,713.68 = 42,032.93/x
  3. Step 3: Cross multiply
    72,241.77x = 99,713.68 × 42,032.93
  4. Step 4: Simplify right side
    72,241.77x = 4,191,257,882.20
  5. Step 5: Solve for x
    x = 4,191,257,882.20/72,241.77
  6. Step 6: Final answer
    x = 58,017.10

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1.5x scale

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.