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Finding the Fourth Proportional to 104,655.12, 144,411.84 and 59,338.32

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Solution

The fourth proportional to 104,655.12, 144,411.84 and 59,338.32 is: 81,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,655.12 : 144,411.84 = 59,338.32 : x
  2. Step 2: Convert to fraction form
    104,655.12/144,411.84 = 59,338.32/x
  3. Step 3: Cross multiply
    104,655.12x = 144,411.84 × 59,338.32
  4. Step 4: Simplify right side
    104,655.12x = 8,569,155,973.71
  5. Step 5: Solve for x
    x = 8,569,155,973.71/104,655.12
  6. Step 6: Final answer
    x = 81,879.95

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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.