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Finding the Fourth Proportional to 127,303.60, 175,679.01 and 69,946.59

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Solution

The fourth proportional to 127,303.60, 175,679.01 and 69,946.59 is: 96,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,303.60 : 175,679.01 = 69,946.59 : x
  2. Step 2: Convert to fraction form
    127,303.60/175,679.01 = 69,946.59/x
  3. Step 3: Cross multiply
    127,303.60x = 175,679.01 × 69,946.59
  4. Step 4: Simplify right side
    127,303.60x = 12,288,147,684.08
  5. Step 5: Solve for x
    x = 12,288,147,684.08/127,303.60
  6. Step 6: Final answer
    x = 96,526.32

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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.