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Finding the Fourth Proportional to 93,413.20, 140,119.80 and 89,784.40

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Solution

The fourth proportional to 93,413.20, 140,119.80 and 89,784.40 is: 134,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,413.20 : 140,119.80 = 89,784.40 : x
  2. Step 2: Convert to fraction form
    93,413.20/140,119.80 = 89,784.40/x
  3. Step 3: Cross multiply
    93,413.20x = 140,119.80 × 89,784.40
  4. Step 4: Simplify right side
    93,413.20x = 12,580,572,171.12
  5. Step 5: Solve for x
    x = 12,580,572,171.12/93,413.20
  6. Step 6: Final answer
    x = 134,676.60

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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.