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Finding the Fourth Proportional to 96,422.40, 144,633.60 and 59,097.60

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Solution

The fourth proportional to 96,422.40, 144,633.60 and 59,097.60 is: 88,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,422.40 : 144,633.60 = 59,097.60 : x
  2. Step 2: Convert to fraction form
    96,422.40/144,633.60 = 59,097.60/x
  3. Step 3: Cross multiply
    96,422.40x = 144,633.60 × 59,097.60
  4. Step 4: Simplify right side
    96,422.40x = 8,547,498,639.36
  5. Step 5: Solve for x
    x = 8,547,498,639.36/96,422.40
  6. Step 6: Final answer
    x = 88,646.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.