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Finding the Fourth Proportional to 166,870.60, 250,307.52 and 65,678.92

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Solution

The fourth proportional to 166,870.60, 250,307.52 and 65,678.92 is: 98,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,870.60 : 250,307.52 = 65,678.92 : x
  2. Step 2: Convert to fraction form
    166,870.60/250,307.52 = 65,678.92/x
  3. Step 3: Cross multiply
    166,870.60x = 250,307.52 × 65,678.92
  4. Step 4: Simplify right side
    166,870.60x = 16,439,927,581.48
  5. Step 5: Solve for x
    x = 16,439,927,581.48/166,870.60
  6. Step 6: Final answer
    x = 98,519.02

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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.