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Finding the Fourth Proportional to 228,047.01, 342,070.51 and 70,275.46

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Solution

The fourth proportional to 228,047.01, 342,070.51 and 70,275.46 is: 105,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,047.01 : 342,070.51 = 70,275.46 : x
  2. Step 2: Convert to fraction form
    228,047.01/342,070.51 = 70,275.46/x
  3. Step 3: Cross multiply
    228,047.01x = 342,070.51 × 70,275.46
  4. Step 4: Simplify right side
    228,047.01x = 24,039,162,442.68
  5. Step 5: Solve for x
    x = 24,039,162,442.68/228,047.01
  6. Step 6: Final answer
    x = 105,413.19

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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.