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Finding the Fourth Proportional to 207,254.88, 310,888.98 and 57,496.68

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Solution

The fourth proportional to 207,254.88, 310,888.98 and 57,496.68 is: 86,246.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,254.88 : 310,888.98 = 57,496.68 : x
  2. Step 2: Convert to fraction form
    207,254.88/310,888.98 = 57,496.68/x
  3. Step 3: Cross multiply
    207,254.88x = 310,888.98 × 57,496.68
  4. Step 4: Simplify right side
    207,254.88x = 17,875,084,198.59
  5. Step 5: Solve for x
    x = 17,875,084,198.59/207,254.88
  6. Step 6: Final answer
    x = 86,246.87

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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.