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Finding the Fourth Proportional to 155,159.58, 214,209.54 and 104,246.22

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Solution

The fourth proportional to 155,159.58, 214,209.54 and 104,246.22 is: 143,919.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,159.58 : 214,209.54 = 104,246.22 : x
  2. Step 2: Convert to fraction form
    155,159.58/214,209.54 = 104,246.22/x
  3. Step 3: Cross multiply
    155,159.58x = 214,209.54 × 104,246.22
  4. Step 4: Simplify right side
    155,159.58x = 22,330,534,832.94
  5. Step 5: Solve for x
    x = 22,330,534,832.94/155,159.58
  6. Step 6: Final answer
    x = 143,919.79

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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.