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Finding the Fourth Proportional to 134,374.71, 201,544.65 and 55,478.28

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Solution

The fourth proportional to 134,374.71, 201,544.65 and 55,478.28 is: 83,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,374.71 : 201,544.65 = 55,478.28 : x
  2. Step 2: Convert to fraction form
    134,374.71/201,544.65 = 55,478.28/x
  3. Step 3: Cross multiply
    134,374.71x = 201,544.65 × 55,478.28
  4. Step 4: Simplify right side
    134,374.71x = 11,181,350,525.20
  5. Step 5: Solve for x
    x = 11,181,350,525.20/134,374.71
  6. Step 6: Final answer
    x = 83,210.23

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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.