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Finding the Fourth Proportional to 161,287,315.60, 241,930,973.40 and 161,287,315.60

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Solution

The fourth proportional to 161,287,315.60, 241,930,973.40 and 161,287,315.60 is: 241,930,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,287,315.60 : 241,930,973.40 = 161,287,315.60 : x
  2. Step 2: Convert to fraction form
    161,287,315.60/241,930,973.40 = 161,287,315.60/x
  3. Step 3: Cross multiply
    161,287,315.60x = 241,930,973.40 × 161,287,315.60
  4. Step 4: Simplify right side
    161,287,315.60x = 39,020,397,260,181,008
  5. Step 5: Solve for x
    x = 39,020,397,260,181,008/161,287,315.60
  6. Step 6: Final answer
    x = 241,930,973.40

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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.