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Finding the Fourth Proportional to 134,064.59, 185,011.43 and 73,637.78

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Solution

The fourth proportional to 134,064.59, 185,011.43 and 73,637.78 is: 101,621.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,064.59 : 185,011.43 = 73,637.78 : x
  2. Step 2: Convert to fraction form
    134,064.59/185,011.43 = 73,637.78/x
  3. Step 3: Cross multiply
    134,064.59x = 185,011.43 × 73,637.78
  4. Step 4: Simplify right side
    134,064.59x = 13,623,829,686.58
  5. Step 5: Solve for x
    x = 13,623,829,686.58/134,064.59
  6. Step 6: Final answer
    x = 101,621.39

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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.