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Finding the Fourth Proportional to 115,050.06, 158,818.06 and 77,346.18

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Solution

The fourth proportional to 115,050.06, 158,818.06 and 77,346.18 is: 106,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,050.06 : 158,818.06 = 77,346.18 : x
  2. Step 2: Convert to fraction form
    115,050.06/158,818.06 = 77,346.18/x
  3. Step 3: Cross multiply
    115,050.06x = 158,818.06 × 77,346.18
  4. Step 4: Simplify right side
    115,050.06x = 12,283,970,256.01
  5. Step 5: Solve for x
    x = 12,283,970,256.01/115,050.06
  6. Step 6: Final answer
    x = 106,770.65

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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.