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Finding the Fourth Proportional to 249,675.70, 374,513.55 and 83,442.10

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Solution

The fourth proportional to 249,675.70, 374,513.55 and 83,442.10 is: 125,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,675.70 : 374,513.55 = 83,442.10 : x
  2. Step 2: Convert to fraction form
    249,675.70/374,513.55 = 83,442.10/x
  3. Step 3: Cross multiply
    249,675.70x = 374,513.55 × 83,442.10
  4. Step 4: Simplify right side
    249,675.70x = 31,250,197,090.46
  5. Step 5: Solve for x
    x = 31,250,197,090.46/249,675.70
  6. Step 6: Final answer
    x = 125,163.15

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1.5x scale

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.