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Finding the Fourth Proportional to 238,160.00, 328,658.80 and 130,723.62

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Solution

The fourth proportional to 238,160.00, 328,658.80 and 130,723.62 is: 180,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,160.00 : 328,658.80 = 130,723.62 : x
  2. Step 2: Convert to fraction form
    238,160.00/328,658.80 = 130,723.62/x
  3. Step 3: Cross multiply
    238,160.00x = 328,658.80 × 130,723.62
  4. Step 4: Simplify right side
    238,160.00x = 42,963,468,615.39
  5. Step 5: Solve for x
    x = 42,963,468,615.39/238,160.00
  6. Step 6: Final answer
    x = 180,397.50

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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.