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Finding the Fourth Proportional to 124,140.80, 186,211.61 and 34,184.77

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Solution

The fourth proportional to 124,140.80, 186,211.61 and 34,184.77 is: 51,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,140.80 : 186,211.61 = 34,184.77 : x
  2. Step 2: Convert to fraction form
    124,140.80/186,211.61 = 34,184.77/x
  3. Step 3: Cross multiply
    124,140.80x = 186,211.61 × 34,184.77
  4. Step 4: Simplify right side
    124,140.80x = 6,365,600,550.92
  5. Step 5: Solve for x
    x = 6,365,600,550.92/124,140.80
  6. Step 6: Final answer
    x = 51,277.26

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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.