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Finding the Fourth Proportional to 225,036.88, 310,230.48 and 153,325.12

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Solution

The fourth proportional to 225,036.88, 310,230.48 and 153,325.12 is: 211,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,036.88 : 310,230.48 = 153,325.12 : x
  2. Step 2: Convert to fraction form
    225,036.88/310,230.48 = 153,325.12/x
  3. Step 3: Cross multiply
    225,036.88x = 310,230.48 × 153,325.12
  4. Step 4: Simplify right side
    225,036.88x = 47,566,125,573.66
  5. Step 5: Solve for x
    x = 47,566,125,573.66/225,036.88
  6. Step 6: Final answer
    x = 211,370.36

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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.