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Finding the Fourth Proportional to 185,510,961.60, 278,182,461.60 and 70,457,265.60

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Solution

The fourth proportional to 185,510,961.60, 278,182,461.60 and 70,457,265.60 is: 105,654,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,510,961.60 : 278,182,461.60 = 70,457,265.60 : x
  2. Step 2: Convert to fraction form
    185,510,961.60/278,182,461.60 = 70,457,265.60/x
  3. Step 3: Cross multiply
    185,510,961.60x = 278,182,461.60 × 70,457,265.60
  4. Step 4: Simplify right side
    185,510,961.60x = 19,599,975,582,213,000
  5. Step 5: Solve for x
    x = 19,599,975,582,213,000/185,510,961.60
  6. Step 6: Final answer
    x = 105,654,002.40

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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.