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Finding the Fourth Proportional to 92,390.52, 127,413.90 and 60,547.80

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Solution

The fourth proportional to 92,390.52, 127,413.90 and 60,547.80 is: 83,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,390.52 : 127,413.90 = 60,547.80 : x
  2. Step 2: Convert to fraction form
    92,390.52/127,413.90 = 60,547.80/x
  3. Step 3: Cross multiply
    92,390.52x = 127,413.90 × 60,547.80
  4. Step 4: Simplify right side
    92,390.52x = 7,714,631,334.42
  5. Step 5: Solve for x
    x = 7,714,631,334.42/92,390.52
  6. Step 6: Final answer
    x = 83,500.25

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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.