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Finding the Fourth Proportional to 114,356.95, 157,799.74 and 63,356.79

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Solution

The fourth proportional to 114,356.95, 157,799.74 and 63,356.79 is: 87,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,356.95 : 157,799.74 = 63,356.79 : x
  2. Step 2: Convert to fraction form
    114,356.95/157,799.74 = 63,356.79/x
  3. Step 3: Cross multiply
    114,356.95x = 157,799.74 × 63,356.79
  4. Step 4: Simplify right side
    114,356.95x = 9,997,685,219.46
  5. Step 5: Solve for x
    x = 9,997,685,219.46/114,356.95
  6. Step 6: Final answer
    x = 87,425.25

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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.