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Finding the Fourth Proportional to 242,651, 334,818.96 and 140,656.56

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Solution

The fourth proportional to 242,651, 334,818.96 and 140,656.56 is: 194,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,651 : 334,818.96 = 140,656.56 : x
  2. Step 2: Convert to fraction form
    242,651/334,818.96 = 140,656.56/x
  3. Step 3: Cross multiply
    242,651x = 334,818.96 × 140,656.56
  4. Step 4: Simplify right side
    242,651x = 47,094,483,136.38
  5. Step 5: Solve for x
    x = 47,094,483,136.38/242,651
  6. Step 6: Final answer
    x = 194,083.20

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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.