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Finding the Fourth Proportional to 243,545.02, 336,077.65 and 134,642.84

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Solution

The fourth proportional to 243,545.02, 336,077.65 and 134,642.84 is: 185,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,545.02 : 336,077.65 = 134,642.84 : x
  2. Step 2: Convert to fraction form
    243,545.02/336,077.65 = 134,642.84/x
  3. Step 3: Cross multiply
    243,545.02x = 336,077.65 × 134,642.84
  4. Step 4: Simplify right side
    243,545.02x = 45,250,449,256.53
  5. Step 5: Solve for x
    x = 45,250,449,256.53/243,545.02
  6. Step 6: Final answer
    x = 185,799.12

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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.