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Finding the Fourth Proportional to 249,732, 374,598.36 and 101,988

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Solution

The fourth proportional to 249,732, 374,598.36 and 101,988 is: 152,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,732 : 374,598.36 = 101,988 : x
  2. Step 2: Convert to fraction form
    249,732/374,598.36 = 101,988/x
  3. Step 3: Cross multiply
    249,732x = 374,598.36 × 101,988
  4. Step 4: Simplify right side
    249,732x = 38,204,537,539.68
  5. Step 5: Solve for x
    x = 38,204,537,539.68/249,732
  6. Step 6: Final answer
    x = 152,982.15

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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.