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Finding the Fourth Proportional to 159,668,241.60, 239,502,362.40 and 108,649,905.60

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Solution

The fourth proportional to 159,668,241.60, 239,502,362.40 and 108,649,905.60 is: 162,974,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,668,241.60 : 239,502,362.40 = 108,649,905.60 : x
  2. Step 2: Convert to fraction form
    159,668,241.60/239,502,362.40 = 108,649,905.60/x
  3. Step 3: Cross multiply
    159,668,241.60x = 239,502,362.40 × 108,649,905.60
  4. Step 4: Simplify right side
    159,668,241.60x = 26,021,909,065,736,988
  5. Step 5: Solve for x
    x = 26,021,909,065,736,988/159,668,241.60
  6. Step 6: Final answer
    x = 162,974,858.40

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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.