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Finding the Fourth Proportional to 153,273.60, 229,910.40 and 115,948.80

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Solution

The fourth proportional to 153,273.60, 229,910.40 and 115,948.80 is: 173,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,273.60 : 229,910.40 = 115,948.80 : x
  2. Step 2: Convert to fraction form
    153,273.60/229,910.40 = 115,948.80/x
  3. Step 3: Cross multiply
    153,273.60x = 229,910.40 × 115,948.80
  4. Step 4: Simplify right side
    153,273.60x = 26,657,834,987.52
  5. Step 5: Solve for x
    x = 26,657,834,987.52/153,273.60
  6. Step 6: Final answer
    x = 173,923.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.