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Finding the Fourth Proportional to 185,727.90, 278,575.65 and 61,068.90

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Solution

The fourth proportional to 185,727.90, 278,575.65 and 61,068.90 is: 91,598.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,727.90 : 278,575.65 = 61,068.90 : x
  2. Step 2: Convert to fraction form
    185,727.90/278,575.65 = 61,068.90/x
  3. Step 3: Cross multiply
    185,727.90x = 278,575.65 × 61,068.90
  4. Step 4: Simplify right side
    185,727.90x = 17,012,308,512.29
  5. Step 5: Solve for x
    x = 17,012,308,512.29/185,727.90
  6. Step 6: Final answer
    x = 91,598.02

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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.