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Finding the Fourth Proportional to 249,136.47, 373,967.73 and 116,145

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Solution

The fourth proportional to 249,136.47, 373,967.73 and 116,145 is: 174,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,136.47 : 373,967.73 = 116,145 : x
  2. Step 2: Convert to fraction form
    249,136.47/373,967.73 = 116,145/x
  3. Step 3: Cross multiply
    249,136.47x = 373,967.73 × 116,145
  4. Step 4: Simplify right side
    249,136.47x = 43,434,482,000.85
  5. Step 5: Solve for x
    x = 43,434,482,000.85/249,136.47
  6. Step 6: Final answer
    x = 174,340.12

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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.