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Finding the Fourth Proportional to 158,763.76, 219,104.96 and 104,955.48

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Solution

The fourth proportional to 158,763.76, 219,104.96 and 104,955.48 is: 144,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,763.76 : 219,104.96 = 104,955.48 : x
  2. Step 2: Convert to fraction form
    158,763.76/219,104.96 = 104,955.48/x
  3. Step 3: Cross multiply
    158,763.76x = 219,104.96 × 104,955.48
  4. Step 4: Simplify right side
    158,763.76x = 22,996,266,247.18
  5. Step 5: Solve for x
    x = 22,996,266,247.18/158,763.76
  6. Step 6: Final answer
    x = 144,845.82

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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.