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Finding the Fourth Proportional to 62,680.66, 94,017.53 and 45,830.93

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Solution

The fourth proportional to 62,680.66, 94,017.53 and 45,830.93 is: 68,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,680.66 : 94,017.53 = 45,830.93 : x
  2. Step 2: Convert to fraction form
    62,680.66/94,017.53 = 45,830.93/x
  3. Step 3: Cross multiply
    62,680.66x = 94,017.53 × 45,830.93
  4. Step 4: Simplify right side
    62,680.66x = 4,308,911,159.22
  5. Step 5: Solve for x
    x = 4,308,911,159.22/62,680.66
  6. Step 6: Final answer
    x = 68,743.87

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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.