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Finding the Fourth Proportional to 112,737.51, 169,109.10 and 37,860.30

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Solution

The fourth proportional to 112,737.51, 169,109.10 and 37,860.30 is: 56,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,737.51 : 169,109.10 = 37,860.30 : x
  2. Step 2: Convert to fraction form
    112,737.51/169,109.10 = 37,860.30/x
  3. Step 3: Cross multiply
    112,737.51x = 169,109.10 × 37,860.30
  4. Step 4: Simplify right side
    112,737.51x = 6,402,521,258.73
  5. Step 5: Solve for x
    x = 6,402,521,258.73/112,737.51
  6. Step 6: Final answer
    x = 56,791.40

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1.5x scale

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.