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Finding the Fourth Proportional to 295,555.40, 443,426.10 and 105,886.51

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Solution

The fourth proportional to 295,555.40, 443,426.10 and 105,886.51 is: 158,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,555.40 : 443,426.10 = 105,886.51 : x
  2. Step 2: Convert to fraction form
    295,555.40/443,426.10 = 105,886.51/x
  3. Step 3: Cross multiply
    295,555.40x = 443,426.10 × 105,886.51
  4. Step 4: Simplify right side
    295,555.40x = 46,952,840,666.27
  5. Step 5: Solve for x
    x = 46,952,840,666.27/295,555.40
  6. Step 6: Final answer
    x = 158,863.08

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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.