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Finding the Fourth Proportional to 201,343,113.72, 301,965,593.76 and 55,772,894.52

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Solution

The fourth proportional to 201,343,113.72, 301,965,593.76 and 55,772,894.52 is: 83,645,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,343,113.72 : 301,965,593.76 = 55,772,894.52 : x
  2. Step 2: Convert to fraction form
    201,343,113.72/301,965,593.76 = 55,772,894.52/x
  3. Step 3: Cross multiply
    201,343,113.72x = 301,965,593.76 × 55,772,894.52
  4. Step 4: Simplify right side
    201,343,113.72x = 16,841,495,209,445,650
  5. Step 5: Solve for x
    x = 16,841,495,209,445,650/201,343,113.72
  6. Step 6: Final answer
    x = 83,645,747.29

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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.