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Finding the Fourth Proportional to 232,989.63, 349,426.62 and 99,854.79

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Solution

The fourth proportional to 232,989.63, 349,426.62 and 99,854.79 is: 149,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,989.63 : 349,426.62 = 99,854.79 : x
  2. Step 2: Convert to fraction form
    232,989.63/349,426.62 = 99,854.79/x
  3. Step 3: Cross multiply
    232,989.63x = 349,426.62 × 99,854.79
  4. Step 4: Simplify right side
    232,989.63x = 34,891,921,760.51
  5. Step 5: Solve for x
    x = 34,891,921,760.51/232,989.63
  6. Step 6: Final answer
    x = 149,757.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.