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Finding the Fourth Proportional to 201,653,064.20, 302,516,921.10 and 65,342,894.60

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Solution

The fourth proportional to 201,653,064.20, 302,516,921.10 and 65,342,894.60 is: 98,026,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,653,064.20 : 302,516,921.10 = 65,342,894.60 : x
  2. Step 2: Convert to fraction form
    201,653,064.20/302,516,921.10 = 65,342,894.60/x
  3. Step 3: Cross multiply
    201,653,064.20x = 302,516,921.10 × 65,342,894.60
  4. Step 4: Simplify right side
    201,653,064.20x = 19,767,331,290,153,820
  5. Step 5: Solve for x
    x = 19,767,331,290,153,820/201,653,064.20
  6. Step 6: Final answer
    x = 98,026,436.49

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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.