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Finding the Fourth Proportional to 467,125.65, 700,688.43 and 112,139.66

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Solution

The fourth proportional to 467,125.65, 700,688.43 and 112,139.66 is: 168,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,125.65 : 700,688.43 = 112,139.66 : x
  2. Step 2: Convert to fraction form
    467,125.65/700,688.43 = 112,139.66/x
  3. Step 3: Cross multiply
    467,125.65x = 700,688.43 × 112,139.66
  4. Step 4: Simplify right side
    467,125.65x = 78,574,958,802.69
  5. Step 5: Solve for x
    x = 78,574,958,802.69/467,125.65
  6. Step 6: Final answer
    x = 168,209.47

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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.