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Finding the Fourth Proportional to 109,041.59, 150,476.58 and 60,643.95

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Solution

The fourth proportional to 109,041.59, 150,476.58 and 60,643.95 is: 83,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,041.59 : 150,476.58 = 60,643.95 : x
  2. Step 2: Convert to fraction form
    109,041.59/150,476.58 = 60,643.95/x
  3. Step 3: Cross multiply
    109,041.59x = 150,476.58 × 60,643.95
  4. Step 4: Simplify right side
    109,041.59x = 9,125,494,193.69
  5. Step 5: Solve for x
    x = 9,125,494,193.69/109,041.59
  6. Step 6: Final answer
    x = 83,688.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.