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Finding the Fourth Proportional to 114,707.64, 158,298.57 and 63,724.98

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Solution

The fourth proportional to 114,707.64, 158,298.57 and 63,724.98 is: 87,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,707.64 : 158,298.57 = 63,724.98 : x
  2. Step 2: Convert to fraction form
    114,707.64/158,298.57 = 63,724.98/x
  3. Step 3: Cross multiply
    114,707.64x = 158,298.57 × 63,724.98
  4. Step 4: Simplify right side
    114,707.64x = 10,087,573,207.28
  5. Step 5: Solve for x
    x = 10,087,573,207.28/114,707.64
  6. Step 6: Final answer
    x = 87,941.60

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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.