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Finding the Fourth Proportional to 249,340.46, 373,902.56 and 136,986.98

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Solution

The fourth proportional to 249,340.46, 373,902.56 and 136,986.98 is: 205,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,340.46 : 373,902.56 = 136,986.98 : x
  2. Step 2: Convert to fraction form
    249,340.46/373,902.56 = 136,986.98/x
  3. Step 3: Cross multiply
    249,340.46x = 373,902.56 × 136,986.98
  4. Step 4: Simplify right side
    249,340.46x = 51,219,779,954.22
  5. Step 5: Solve for x
    x = 51,219,779,954.22/249,340.46
  6. Step 6: Final answer
    x = 205,421.06

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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.