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Finding the Fourth Proportional to 177,612.71, 245,093.77 and 101,139.62

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Solution

The fourth proportional to 177,612.71, 245,093.77 and 101,139.62 is: 139,565.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,612.71 : 245,093.77 = 101,139.62 : x
  2. Step 2: Convert to fraction form
    177,612.71/245,093.77 = 101,139.62/x
  3. Step 3: Cross multiply
    177,612.71x = 245,093.77 × 101,139.62
  4. Step 4: Simplify right side
    177,612.71x = 24,788,691,326.23
  5. Step 5: Solve for x
    x = 24,788,691,326.23/177,612.71
  6. Step 6: Final answer
    x = 139,565.98

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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.