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Finding the Fourth Proportional to 249,728, 374,592.36 and 101,984

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Solution

The fourth proportional to 249,728, 374,592.36 and 101,984 is: 152,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,728 : 374,592.36 = 101,984 : x
  2. Step 2: Convert to fraction form
    249,728/374,592.36 = 101,984/x
  3. Step 3: Cross multiply
    249,728x = 374,592.36 × 101,984
  4. Step 4: Simplify right side
    249,728x = 38,202,427,242.24
  5. Step 5: Solve for x
    x = 38,202,427,242.24/249,728
  6. Step 6: Final answer
    x = 152,976.15

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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.