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Finding the Fourth Proportional to 249,386.82, 374,132.80 and 80,894.04

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Solution

The fourth proportional to 249,386.82, 374,132.80 and 80,894.04 is: 121,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,386.82 : 374,132.80 = 80,894.04 : x
  2. Step 2: Convert to fraction form
    249,386.82/374,132.80 = 80,894.04/x
  3. Step 3: Cross multiply
    249,386.82x = 374,132.80 × 80,894.04
  4. Step 4: Simplify right side
    249,386.82x = 30,265,113,688.51
  5. Step 5: Solve for x
    x = 30,265,113,688.51/249,386.82
  6. Step 6: Final answer
    x = 121,358.11

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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.