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Finding the Fourth Proportional to 134,380.80, 201,484.80 and 55,526.40

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Solution

The fourth proportional to 134,380.80, 201,484.80 and 55,526.40 is: 83,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,380.80 : 201,484.80 = 55,526.40 : x
  2. Step 2: Convert to fraction form
    134,380.80/201,484.80 = 55,526.40/x
  3. Step 3: Cross multiply
    134,380.80x = 201,484.80 × 55,526.40
  4. Step 4: Simplify right side
    134,380.80x = 11,187,725,598.72
  5. Step 5: Solve for x
    x = 11,187,725,598.72/134,380.80
  6. Step 6: Final answer
    x = 83,253.90

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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.