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Finding the Fourth Proportional to 230,988.39, 318,763.95 and 125,004.39

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Solution

The fourth proportional to 230,988.39, 318,763.95 and 125,004.39 is: 172,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,988.39 : 318,763.95 = 125,004.39 : x
  2. Step 2: Convert to fraction form
    230,988.39/318,763.95 = 125,004.39/x
  3. Step 3: Cross multiply
    230,988.39x = 318,763.95 × 125,004.39
  4. Step 4: Simplify right side
    230,988.39x = 39,846,893,123.74
  5. Step 5: Solve for x
    x = 39,846,893,123.74/230,988.39
  6. Step 6: Final answer
    x = 172,506.04

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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.