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Finding the Fourth Proportional to 124,580.76, 186,900.90 and 40,341.02

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Solution

The fourth proportional to 124,580.76, 186,900.90 and 40,341.02 is: 60,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,580.76 : 186,900.90 = 40,341.02 : x
  2. Step 2: Convert to fraction form
    124,580.76/186,900.90 = 40,341.02/x
  3. Step 3: Cross multiply
    124,580.76x = 186,900.90 × 40,341.02
  4. Step 4: Simplify right side
    124,580.76x = 7,539,772,944.92
  5. Step 5: Solve for x
    x = 7,539,772,944.92/124,580.76
  6. Step 6: Final answer
    x = 60,521.17

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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.