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Finding the Fourth Proportional to 255,374.52, 352,363.32 and 147,938.10

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Solution

The fourth proportional to 255,374.52, 352,363.32 and 147,938.10 is: 204,123.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,374.52 : 352,363.32 = 147,938.10 : x
  2. Step 2: Convert to fraction form
    255,374.52/352,363.32 = 147,938.10/x
  3. Step 3: Cross multiply
    255,374.52x = 352,363.32 × 147,938.10
  4. Step 4: Simplify right side
    255,374.52x = 52,127,960,070.49
  5. Step 5: Solve for x
    x = 52,127,960,070.49/255,374.52
  6. Step 6: Final answer
    x = 204,123.58

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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.