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Finding the Fourth Proportional to 255,963.60, 353,210.30 and 141,246.82

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Solution

The fourth proportional to 255,963.60, 353,210.30 and 141,246.82 is: 194,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,963.60 : 353,210.30 = 141,246.82 : x
  2. Step 2: Convert to fraction form
    255,963.60/353,210.30 = 141,246.82/x
  3. Step 3: Cross multiply
    255,963.60x = 353,210.30 × 141,246.82
  4. Step 4: Simplify right side
    255,963.60x = 49,889,831,666.25
  5. Step 5: Solve for x
    x = 49,889,831,666.25/255,963.60
  6. Step 6: Final answer
    x = 194,909.87

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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.