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Finding the Fourth Proportional to 134,060, 185,002.80 and 74,444

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Solution

The fourth proportional to 134,060, 185,002.80 and 74,444 is: 102,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,060 : 185,002.80 = 74,444 : x
  2. Step 2: Convert to fraction form
    134,060/185,002.80 = 74,444/x
  3. Step 3: Cross multiply
    134,060x = 185,002.80 × 74,444
  4. Step 4: Simplify right side
    134,060x = 13,772,348,443.20
  5. Step 5: Solve for x
    x = 13,772,348,443.20/134,060
  6. Step 6: Final answer
    x = 102,732.72

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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.