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Finding the Fourth Proportional to 201,001,808.40, 301,502,712.60 and 183,145,390.80

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Solution

The fourth proportional to 201,001,808.40, 301,502,712.60 and 183,145,390.80 is: 274,718,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,001,808.40 : 301,502,712.60 = 183,145,390.80 : x
  2. Step 2: Convert to fraction form
    201,001,808.40/301,502,712.60 = 183,145,390.80/x
  3. Step 3: Cross multiply
    201,001,808.40x = 301,502,712.60 × 183,145,390.80
  4. Step 4: Simplify right side
    201,001,808.40x = 55,218,832,126,387,096
  5. Step 5: Solve for x
    x = 55,218,832,126,387,096/201,001,808.40
  6. Step 6: Final answer
    x = 274,718,086.20

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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.