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Finding the Fourth Proportional to 106,860.94, 147,468.21 and 59,117.52

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Solution

The fourth proportional to 106,860.94, 147,468.21 and 59,117.52 is: 81,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,860.94 : 147,468.21 = 59,117.52 : x
  2. Step 2: Convert to fraction form
    106,860.94/147,468.21 = 59,117.52/x
  3. Step 3: Cross multiply
    106,860.94x = 147,468.21 × 59,117.52
  4. Step 4: Simplify right side
    106,860.94x = 8,717,954,854.04
  5. Step 5: Solve for x
    x = 8,717,954,854.04/106,860.94
  6. Step 6: Final answer
    x = 81,582.24

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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.