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Finding the Fourth Proportional to 249,862.40, 374,793.60 and 165,881.60

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Solution

The fourth proportional to 249,862.40, 374,793.60 and 165,881.60 is: 248,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,862.40 : 374,793.60 = 165,881.60 : x
  2. Step 2: Convert to fraction form
    249,862.40/374,793.60 = 165,881.60/x
  3. Step 3: Cross multiply
    249,862.40x = 374,793.60 × 165,881.60
  4. Step 4: Simplify right side
    249,862.40x = 62,171,362,037.76
  5. Step 5: Solve for x
    x = 62,171,362,037.76/249,862.40
  6. Step 6: Final answer
    x = 248,822.40

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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.