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Finding the Fourth Proportional to 98,196,340.80, 147,383,740.80 and 49,707,926.40

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Solution

The fourth proportional to 98,196,340.80, 147,383,740.80 and 49,707,926.40 is: 74,607,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,196,340.80 : 147,383,740.80 = 49,707,926.40 : x
  2. Step 2: Convert to fraction form
    98,196,340.80/147,383,740.80 = 49,707,926.40/x
  3. Step 3: Cross multiply
    98,196,340.80x = 147,383,740.80 × 49,707,926.40
  4. Step 4: Simplify right side
    98,196,340.80x = 7,326,140,140,243,077
  5. Step 5: Solve for x
    x = 7,326,140,140,243,077/98,196,340.80
  6. Step 6: Final answer
    x = 74,607,058.48

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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.