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Finding the Fourth Proportional to 201,480,869.60, 301,717,419.60 and 161,170,085.60

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Solution

The fourth proportional to 201,480,869.60, 301,717,419.60 and 161,170,085.60 is: 241,352,057.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,480,869.60 : 301,717,419.60 = 161,170,085.60 : x
  2. Step 2: Convert to fraction form
    201,480,869.60/301,717,419.60 = 161,170,085.60/x
  3. Step 3: Cross multiply
    201,480,869.60x = 301,717,419.60 × 161,170,085.60
  4. Step 4: Simplify right side
    201,480,869.60x = 48,627,822,343,943,120
  5. Step 5: Solve for x
    x = 48,627,822,343,943,120/201,480,869.60
  6. Step 6: Final answer
    x = 241,352,057.10

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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.