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Finding the Fourth Proportional to 107,303.00, 148,085.21 and 61,982.89

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Solution

The fourth proportional to 107,303.00, 148,085.21 and 61,982.89 is: 85,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,303.00 : 148,085.21 = 61,982.89 : x
  2. Step 2: Convert to fraction form
    107,303.00/148,085.21 = 61,982.89/x
  3. Step 3: Cross multiply
    107,303.00x = 148,085.21 × 61,982.89
  4. Step 4: Simplify right side
    107,303.00x = 9,178,748,386.67
  5. Step 5: Solve for x
    x = 9,178,748,386.67/107,303.00
  6. Step 6: Final answer
    x = 85,540.47

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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.