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Finding the Fourth Proportional to 188,440.58, 260,035.77 and 107,868.74

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Solution

The fourth proportional to 188,440.58, 260,035.77 and 107,868.74 is: 148,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,440.58 : 260,035.77 = 107,868.74 : x
  2. Step 2: Convert to fraction form
    188,440.58/260,035.77 = 107,868.74/x
  3. Step 3: Cross multiply
    188,440.58x = 260,035.77 × 107,868.74
  4. Step 4: Simplify right side
    188,440.58x = 28,049,730,864.83
  5. Step 5: Solve for x
    x = 28,049,730,864.83/188,440.58
  6. Step 6: Final answer
    x = 148,851.86

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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.