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Finding the Fourth Proportional to 238,240.98, 328,770.27 and 130,810.08

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Solution

The fourth proportional to 238,240.98, 328,770.27 and 130,810.08 is: 180,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,240.98 : 328,770.27 = 130,810.08 : x
  2. Step 2: Convert to fraction form
    238,240.98/328,770.27 = 130,810.08/x
  3. Step 3: Cross multiply
    238,240.98x = 328,770.27 × 130,810.08
  4. Step 4: Simplify right side
    238,240.98x = 43,006,465,320.32
  5. Step 5: Solve for x
    x = 43,006,465,320.32/238,240.98
  6. Step 6: Final answer
    x = 180,516.66

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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.