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Finding the Fourth Proportional to 127,097.46, 175,396.85 and 69,739.74

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Solution

The fourth proportional to 127,097.46, 175,396.85 and 69,739.74 is: 96,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,097.46 : 175,396.85 = 69,739.74 : x
  2. Step 2: Convert to fraction form
    127,097.46/175,396.85 = 69,739.74/x
  3. Step 3: Cross multiply
    127,097.46x = 175,396.85 × 69,739.74
  4. Step 4: Simplify right side
    127,097.46x = 12,232,130,367.12
  5. Step 5: Solve for x
    x = 12,232,130,367.12/127,097.46
  6. Step 6: Final answer
    x = 96,242.13

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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.