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Finding the Fourth Proportional to 153,206.48, 211,400.52 and 92,766.80

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Solution

The fourth proportional to 153,206.48, 211,400.52 and 92,766.80 is: 128,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,206.48 : 211,400.52 = 92,766.80 : x
  2. Step 2: Convert to fraction form
    153,206.48/211,400.52 = 92,766.80/x
  3. Step 3: Cross multiply
    153,206.48x = 211,400.52 × 92,766.80
  4. Step 4: Simplify right side
    153,206.48x = 19,610,949,758.74
  5. Step 5: Solve for x
    x = 19,610,949,758.74/153,206.48
  6. Step 6: Final answer
    x = 128,003.40

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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.