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Finding the Fourth Proportional to 102,465.60, 141,413.40 and 60,059.76

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Solution

The fourth proportional to 102,465.60, 141,413.40 and 60,059.76 is: 82,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,465.60 : 141,413.40 = 60,059.76 : x
  2. Step 2: Convert to fraction form
    102,465.60/141,413.40 = 60,059.76/x
  3. Step 3: Cross multiply
    102,465.60x = 141,413.40 × 60,059.76
  4. Step 4: Simplify right side
    102,465.60x = 8,493,254,864.78
  5. Step 5: Solve for x
    x = 8,493,254,864.78/102,465.60
  6. Step 6: Final answer
    x = 82,888.84

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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.