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Finding the Fourth Proportional to 127,607, 176,097.66 and 71,022.02

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Solution

The fourth proportional to 127,607, 176,097.66 and 71,022.02 is: 98,010.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,607 : 176,097.66 = 71,022.02 : x
  2. Step 2: Convert to fraction form
    127,607/176,097.66 = 71,022.02/x
  3. Step 3: Cross multiply
    127,607x = 176,097.66 × 71,022.02
  4. Step 4: Simplify right side
    127,607x = 12,506,811,530.47
  5. Step 5: Solve for x
    x = 12,506,811,530.47/127,607
  6. Step 6: Final answer
    x = 98,010.39

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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.