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Finding the Fourth Proportional to 92,699.31, 127,931.60 and 52,413.46

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Solution

The fourth proportional to 92,699.31, 127,931.60 and 52,413.46 is: 72,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,699.31 : 127,931.60 = 52,413.46 : x
  2. Step 2: Convert to fraction form
    92,699.31/127,931.60 = 52,413.46/x
  3. Step 3: Cross multiply
    92,699.31x = 127,931.60 × 52,413.46
  4. Step 4: Simplify right side
    92,699.31x = 6,705,337,799.34
  5. Step 5: Solve for x
    x = 6,705,337,799.34/92,699.31
  6. Step 6: Final answer
    x = 72,334.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.