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Finding the Fourth Proportional to 134,505.80, 201,681.90 and 55,526.60

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Solution

The fourth proportional to 134,505.80, 201,681.90 and 55,526.60 is: 83,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,505.80 : 201,681.90 = 55,526.60 : x
  2. Step 2: Convert to fraction form
    134,505.80/201,681.90 = 55,526.60/x
  3. Step 3: Cross multiply
    134,505.80x = 201,681.90 × 55,526.60
  4. Step 4: Simplify right side
    134,505.80x = 11,198,710,188.54
  5. Step 5: Solve for x
    x = 11,198,710,188.54/134,505.80
  6. Step 6: Final answer
    x = 83,258.20

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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.