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Finding the Fourth Proportional to 295,924.16, 443,866.80 and 127,437.68

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Solution

The fourth proportional to 295,924.16, 443,866.80 and 127,437.68 is: 191,148.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,924.16 : 443,866.80 = 127,437.68 : x
  2. Step 2: Convert to fraction form
    295,924.16/443,866.80 = 127,437.68/x
  3. Step 3: Cross multiply
    295,924.16x = 443,866.80 × 127,437.68
  4. Step 4: Simplify right side
    295,924.16x = 56,565,355,221.02
  5. Step 5: Solve for x
    x = 56,565,355,221.02/295,924.16
  6. Step 6: Final answer
    x = 191,148.15

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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.