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Finding the Fourth Proportional to 231,104.80, 346,916.40 and 178,746.40

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Solution

The fourth proportional to 231,104.80, 346,916.40 and 178,746.40 is: 268,320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,104.80 : 346,916.40 = 178,746.40 : x
  2. Step 2: Convert to fraction form
    231,104.80/346,916.40 = 178,746.40/x
  3. Step 3: Cross multiply
    231,104.80x = 346,916.40 × 178,746.40
  4. Step 4: Simplify right side
    231,104.80x = 62,010,057,600.96
  5. Step 5: Solve for x
    x = 62,010,057,600.96/231,104.80
  6. Step 6: Final answer
    x = 268,320.08

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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.