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Finding the Fourth Proportional to 114,371.80, 157,810.62 and 64,061.08

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Solution

The fourth proportional to 114,371.80, 157,810.62 and 64,061.08 is: 88,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,371.80 : 157,810.62 = 64,061.08 : x
  2. Step 2: Convert to fraction form
    114,371.80/157,810.62 = 64,061.08/x
  3. Step 3: Cross multiply
    114,371.80x = 157,810.62 × 64,061.08
  4. Step 4: Simplify right side
    114,371.80x = 10,109,518,752.67
  5. Step 5: Solve for x
    x = 10,109,518,752.67/114,371.80
  6. Step 6: Final answer
    x = 88,391.71

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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.