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Finding the Fourth Proportional to 158,574.30, 218,842.65 and 104,764.92

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Solution

The fourth proportional to 158,574.30, 218,842.65 and 104,764.92 is: 144,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,574.30 : 218,842.65 = 104,764.92 : x
  2. Step 2: Convert to fraction form
    158,574.30/218,842.65 = 104,764.92/x
  3. Step 3: Cross multiply
    158,574.30x = 218,842.65 × 104,764.92
  4. Step 4: Simplify right side
    158,574.30x = 22,927,032,719.84
  5. Step 5: Solve for x
    x = 22,927,032,719.84/158,574.30
  6. Step 6: Final answer
    x = 144,582.27

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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.