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Finding the Fourth Proportional to 114,070.16, 157,422.80 and 68,762.52

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Solution

The fourth proportional to 114,070.16, 157,422.80 and 68,762.52 is: 94,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,070.16 : 157,422.80 = 68,762.52 : x
  2. Step 2: Convert to fraction form
    114,070.16/157,422.80 = 68,762.52/x
  3. Step 3: Cross multiply
    114,070.16x = 157,422.80 × 68,762.52
  4. Step 4: Simplify right side
    114,070.16x = 10,824,788,433.46
  5. Step 5: Solve for x
    x = 10,824,788,433.46/114,070.16
  6. Step 6: Final answer
    x = 94,895.88

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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.