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Finding the Fourth Proportional to 57,203,250.30, 85,804,875.45 and 57,203,250.30

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Solution

The fourth proportional to 57,203,250.30, 85,804,875.45 and 57,203,250.30 is: 85,804,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,203,250.30 : 85,804,875.45 = 57,203,250.30 : x
  2. Step 2: Convert to fraction form
    57,203,250.30/85,804,875.45 = 57,203,250.30/x
  3. Step 3: Cross multiply
    57,203,250.30x = 85,804,875.45 × 57,203,250.30
  4. Step 4: Simplify right side
    57,203,250.30x = 4,908,317,767,326,675
  5. Step 5: Solve for x
    x = 4,908,317,767,326,675/57,203,250.30
  6. Step 6: Final answer
    x = 85,804,875.45

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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.