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Finding the Fourth Proportional to 191,104.40, 286,656.60 and 48,949.40

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Solution

The fourth proportional to 191,104.40, 286,656.60 and 48,949.40 is: 73,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,104.40 : 286,656.60 = 48,949.40 : x
  2. Step 2: Convert to fraction form
    191,104.40/286,656.60 = 48,949.40/x
  3. Step 3: Cross multiply
    191,104.40x = 286,656.60 × 48,949.40
  4. Step 4: Simplify right side
    191,104.40x = 14,031,668,576.04
  5. Step 5: Solve for x
    x = 14,031,668,576.04/191,104.40
  6. Step 6: Final answer
    x = 73,424.10

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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.