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Finding the Fourth Proportional to 114,859.76, 158,520.66 and 69,539.46

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Solution

The fourth proportional to 114,859.76, 158,520.66 and 69,539.46 is: 95,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,859.76 : 158,520.66 = 69,539.46 : x
  2. Step 2: Convert to fraction form
    114,859.76/158,520.66 = 69,539.46/x
  3. Step 3: Cross multiply
    114,859.76x = 158,520.66 × 69,539.46
  4. Step 4: Simplify right side
    114,859.76x = 11,023,441,095.24
  5. Step 5: Solve for x
    x = 11,023,441,095.24/114,859.76
  6. Step 6: Final answer
    x = 95,973.05

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1.5x scale

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.