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Finding the Fourth Proportional to 104,432.62, 144,191.88 and 64,200.32

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Solution

The fourth proportional to 104,432.62, 144,191.88 and 64,200.32 is: 88,642.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,432.62 : 144,191.88 = 64,200.32 : x
  2. Step 2: Convert to fraction form
    104,432.62/144,191.88 = 64,200.32/x
  3. Step 3: Cross multiply
    104,432.62x = 144,191.88 × 64,200.32
  4. Step 4: Simplify right side
    104,432.62x = 9,257,164,837.40
  5. Step 5: Solve for x
    x = 9,257,164,837.40/104,432.62
  6. Step 6: Final answer
    x = 88,642.46

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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.