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Finding the Fourth Proportional to 104,612.95, 144,364.17 and 56,867.50

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Solution

The fourth proportional to 104,612.95, 144,364.17 and 56,867.50 is: 78,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,612.95 : 144,364.17 = 56,867.50 : x
  2. Step 2: Convert to fraction form
    104,612.95/144,364.17 = 56,867.50/x
  3. Step 3: Cross multiply
    104,612.95x = 144,364.17 × 56,867.50
  4. Step 4: Simplify right side
    104,612.95x = 8,209,629,437.48
  5. Step 5: Solve for x
    x = 8,209,629,437.48/104,612.95
  6. Step 6: Final answer
    x = 78,476.23

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1.5x scale

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.