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Finding the Fourth Proportional to 64,793,947.60, 97,302,895.80 and 34,560,859.60

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Solution

The fourth proportional to 64,793,947.60, 97,302,895.80 and 34,560,859.60 is: 51,901,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,793,947.60 : 97,302,895.80 = 34,560,859.60 : x
  2. Step 2: Convert to fraction form
    64,793,947.60/97,302,895.80 = 34,560,859.60/x
  3. Step 3: Cross multiply
    64,793,947.60x = 97,302,895.80 × 34,560,859.60
  4. Step 4: Simplify right side
    64,793,947.60x = 3,362,871,720,417,229.50
  5. Step 5: Solve for x
    x = 3,362,871,720,417,229.50/64,793,947.60
  6. Step 6: Final answer
    x = 51,901,016.14

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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.