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Finding the Fourth Proportional to 225,262.50, 310,862.25 and 124,666.98

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Solution

The fourth proportional to 225,262.50, 310,862.25 and 124,666.98 is: 172,040.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,262.50 : 310,862.25 = 124,666.98 : x
  2. Step 2: Convert to fraction form
    225,262.50/310,862.25 = 124,666.98/x
  3. Step 3: Cross multiply
    225,262.50x = 310,862.25 × 124,666.98
  4. Step 4: Simplify right side
    225,262.50x = 38,754,257,903.51
  5. Step 5: Solve for x
    x = 38,754,257,903.51/225,262.50
  6. Step 6: Final answer
    x = 172,040.43

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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.