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Finding the Fourth Proportional to 242,666.92, 334,881.47 and 140,752.72

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Solution

The fourth proportional to 242,666.92, 334,881.47 and 140,752.72 is: 194,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,666.92 : 334,881.47 = 140,752.72 : x
  2. Step 2: Convert to fraction form
    242,666.92/334,881.47 = 140,752.72/x
  3. Step 3: Cross multiply
    242,666.92x = 334,881.47 × 140,752.72
  4. Step 4: Simplify right side
    242,666.92x = 47,135,478,969.18
  5. Step 5: Solve for x
    x = 47,135,478,969.18/242,666.92
  6. Step 6: Final answer
    x = 194,239.41

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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.