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Finding the Fourth Proportional to 124,041.60, 186,062.40 and 39,801.60

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Solution

The fourth proportional to 124,041.60, 186,062.40 and 39,801.60 is: 59,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,041.60 : 186,062.40 = 39,801.60 : x
  2. Step 2: Convert to fraction form
    124,041.60/186,062.40 = 39,801.60/x
  3. Step 3: Cross multiply
    124,041.60x = 186,062.40 × 39,801.60
  4. Step 4: Simplify right side
    124,041.60x = 7,405,581,219.84
  5. Step 5: Solve for x
    x = 7,405,581,219.84/124,041.60
  6. Step 6: Final answer
    x = 59,702.40

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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.