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Finding the Fourth Proportional to 191,598.76, 286,698.30 and 112,750.12

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Solution

The fourth proportional to 191,598.76, 286,698.30 and 112,750.12 is: 168,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,598.76 : 286,698.30 = 112,750.12 : x
  2. Step 2: Convert to fraction form
    191,598.76/286,698.30 = 112,750.12/x
  3. Step 3: Cross multiply
    191,598.76x = 286,698.30 × 112,750.12
  4. Step 4: Simplify right side
    191,598.76x = 32,325,267,728.80
  5. Step 5: Solve for x
    x = 32,325,267,728.80/191,598.76
  6. Step 6: Final answer
    x = 168,713.35

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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.