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Finding the Fourth Proportional to 172,777.64, 238,452.53 and 96,303.74

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Solution

The fourth proportional to 172,777.64, 238,452.53 and 96,303.74 is: 132,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,777.64 : 238,452.53 = 96,303.74 : x
  2. Step 2: Convert to fraction form
    172,777.64/238,452.53 = 96,303.74/x
  3. Step 3: Cross multiply
    172,777.64x = 238,452.53 × 96,303.74
  4. Step 4: Simplify right side
    172,777.64x = 22,963,868,777.68
  5. Step 5: Solve for x
    x = 22,963,868,777.68/172,777.64
  6. Step 6: Final answer
    x = 132,909.96

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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.