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Finding the Fourth Proportional to 61,793,813.84, 85,278,372.40 and 34,291,968.08

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Solution

The fourth proportional to 61,793,813.84, 85,278,372.40 and 34,291,968.08 is: 47,324,530.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,793,813.84 : 85,278,372.40 = 34,291,968.08 : x
  2. Step 2: Convert to fraction form
    61,793,813.84/85,278,372.40 = 34,291,968.08/x
  3. Step 3: Cross multiply
    61,793,813.84x = 85,278,372.40 × 34,291,968.08
  4. Step 4: Simplify right side
    61,793,813.84x = 2,924,363,224,255,153
  5. Step 5: Solve for x
    x = 2,924,363,224,255,153/61,793,813.84
  6. Step 6: Final answer
    x = 47,324,530.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.