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Finding the Fourth Proportional to 145,751.00, 218,595.51 and 61,478.60

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Solution

The fourth proportional to 145,751.00, 218,595.51 and 61,478.60 is: 92,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,751.00 : 218,595.51 = 61,478.60 : x
  2. Step 2: Convert to fraction form
    145,751.00/218,595.51 = 61,478.60/x
  3. Step 3: Cross multiply
    145,751.00x = 218,595.51 × 61,478.60
  4. Step 4: Simplify right side
    145,751.00x = 13,438,944,828.11
  5. Step 5: Solve for x
    x = 13,438,944,828.11/145,751.00
  6. Step 6: Final answer
    x = 92,204.82

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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.