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Finding the Fourth Proportional to 245,301.71, 338,536.33 and 141,970.82

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Solution

The fourth proportional to 245,301.71, 338,536.33 and 141,970.82 is: 195,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,301.71 : 338,536.33 = 141,970.82 : x
  2. Step 2: Convert to fraction form
    245,301.71/338,536.33 = 141,970.82/x
  3. Step 3: Cross multiply
    245,301.71x = 338,536.33 × 141,970.82
  4. Step 4: Simplify right side
    245,301.71x = 48,062,278,322.28
  5. Step 5: Solve for x
    x = 48,062,278,322.28/245,301.71
  6. Step 6: Final answer
    x = 195,931.29

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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.