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Finding the Fourth Proportional to 127,527.80, 191,061.30 and 109,095.80

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Solution

The fourth proportional to 127,527.80, 191,061.30 and 109,095.80 is: 163,446.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,527.80 : 191,061.30 = 109,095.80 : x
  2. Step 2: Convert to fraction form
    127,527.80/191,061.30 = 109,095.80/x
  3. Step 3: Cross multiply
    127,527.80x = 191,061.30 × 109,095.80
  4. Step 4: Simplify right side
    127,527.80x = 20,843,985,372.54
  5. Step 5: Solve for x
    x = 20,843,985,372.54/127,527.80
  6. Step 6: Final answer
    x = 163,446.60

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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.