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Finding the Fourth Proportional to 249,625.40, 374,438.10 and 83,413.40

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Solution

The fourth proportional to 249,625.40, 374,438.10 and 83,413.40 is: 125,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,625.40 : 374,438.10 = 83,413.40 : x
  2. Step 2: Convert to fraction form
    249,625.40/374,438.10 = 83,413.40/x
  3. Step 3: Cross multiply
    249,625.40x = 374,438.10 × 83,413.40
  4. Step 4: Simplify right side
    249,625.40x = 31,233,155,010.54
  5. Step 5: Solve for x
    x = 31,233,155,010.54/249,625.40
  6. Step 6: Final answer
    x = 125,120.10

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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.