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Finding the Fourth Proportional to 238,323.92, 328,895.88 and 130,897.04

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Solution

The fourth proportional to 238,323.92, 328,895.88 and 130,897.04 is: 180,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,323.92 : 328,895.88 = 130,897.04 : x
  2. Step 2: Convert to fraction form
    238,323.92/328,895.88 = 130,897.04/x
  3. Step 3: Cross multiply
    238,323.92x = 328,895.88 × 130,897.04
  4. Step 4: Simplify right side
    238,323.92x = 43,051,497,160.20
  5. Step 5: Solve for x
    x = 43,051,497,160.20/238,323.92
  6. Step 6: Final answer
    x = 180,642.79

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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.