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Finding the Fourth Proportional to 153,925.20, 230,887.80 and 148,020.30

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Solution

The fourth proportional to 153,925.20, 230,887.80 and 148,020.30 is: 222,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,925.20 : 230,887.80 = 148,020.30 : x
  2. Step 2: Convert to fraction form
    153,925.20/230,887.80 = 148,020.30/x
  3. Step 3: Cross multiply
    153,925.20x = 230,887.80 × 148,020.30
  4. Step 4: Simplify right side
    153,925.20x = 34,176,081,422.34
  5. Step 5: Solve for x
    x = 34,176,081,422.34/153,925.20
  6. Step 6: Final answer
    x = 222,030.45

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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.