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Finding the Fourth Proportional to 176,590.52, 243,689.74 and 100,116.66

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Solution

The fourth proportional to 176,590.52, 243,689.74 and 100,116.66 is: 138,158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,590.52 : 243,689.74 = 100,116.66 : x
  2. Step 2: Convert to fraction form
    176,590.52/243,689.74 = 100,116.66/x
  3. Step 3: Cross multiply
    176,590.52x = 243,689.74 × 100,116.66
  4. Step 4: Simplify right side
    176,590.52x = 24,397,402,845.07
  5. Step 5: Solve for x
    x = 24,397,402,845.07/176,590.52
  6. Step 6: Final answer
    x = 138,158.06

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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.