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Finding the Fourth Proportional to 255,398.86, 352,450.43 and 148,031.17

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Solution

The fourth proportional to 255,398.86, 352,450.43 and 148,031.17 is: 204,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,398.86 : 352,450.43 = 148,031.17 : x
  2. Step 2: Convert to fraction form
    255,398.86/352,450.43 = 148,031.17/x
  3. Step 3: Cross multiply
    255,398.86x = 352,450.43 × 148,031.17
  4. Step 4: Simplify right side
    255,398.86x = 52,173,650,030.95
  5. Step 5: Solve for x
    x = 52,173,650,030.95/255,398.86
  6. Step 6: Final answer
    x = 204,283.02

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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.