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Finding the Fourth Proportional to 240,777.16, 332,275.95 and 138,800.77

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Solution

The fourth proportional to 240,777.16, 332,275.95 and 138,800.77 is: 191,547.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,777.16 : 332,275.95 = 138,800.77 : x
  2. Step 2: Convert to fraction form
    240,777.16/332,275.95 = 138,800.77/x
  3. Step 3: Cross multiply
    240,777.16x = 332,275.95 × 138,800.77
  4. Step 4: Simplify right side
    240,777.16x = 46,120,157,712.48
  5. Step 5: Solve for x
    x = 46,120,157,712.48/240,777.16
  6. Step 6: Final answer
    x = 191,547.06

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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.