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Finding the Fourth Proportional to 169,634,861.60, 254,452,292.40 and 60,583,168.40

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Solution

The fourth proportional to 169,634,861.60, 254,452,292.40 and 60,583,168.40 is: 90,874,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,634,861.60 : 254,452,292.40 = 60,583,168.40 : x
  2. Step 2: Convert to fraction form
    169,634,861.60/254,452,292.40 = 60,583,168.40/x
  3. Step 3: Cross multiply
    169,634,861.60x = 254,452,292.40 × 60,583,168.40
  4. Step 4: Simplify right side
    169,634,861.60x = 15,415,526,080,235,240
  5. Step 5: Solve for x
    x = 15,415,526,080,235,240/169,634,861.60
  6. Step 6: Final answer
    x = 90,874,752.60

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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.