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Finding the Fourth Proportional to 295,449.80, 443,088.30 and 105,888.20

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Solution

The fourth proportional to 295,449.80, 443,088.30 and 105,888.20 is: 158,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,449.80 : 443,088.30 = 105,888.20 : x
  2. Step 2: Convert to fraction form
    295,449.80/443,088.30 = 105,888.20/x
  3. Step 3: Cross multiply
    295,449.80x = 443,088.30 × 105,888.20
  4. Step 4: Simplify right side
    295,449.80x = 46,917,822,528.06
  5. Step 5: Solve for x
    x = 46,917,822,528.06/295,449.80
  6. Step 6: Final answer
    x = 158,801.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.