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Finding the Fourth Proportional to 181,068.80, 249,886.88 and 104,591.12

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Solution

The fourth proportional to 181,068.80, 249,886.88 and 104,591.12 is: 144,342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,068.80 : 249,886.88 = 104,591.12 : x
  2. Step 2: Convert to fraction form
    181,068.80/249,886.88 = 104,591.12/x
  3. Step 3: Cross multiply
    181,068.80x = 249,886.88 × 104,591.12
  4. Step 4: Simplify right side
    181,068.80x = 26,135,949,538.70
  5. Step 5: Solve for x
    x = 26,135,949,538.70/181,068.80
  6. Step 6: Final answer
    x = 144,342.64

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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.