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Finding the Fourth Proportional to 119,330.67, 164,675.73 and 70,300.76

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Solution

The fourth proportional to 119,330.67, 164,675.73 and 70,300.76 is: 97,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,330.67 : 164,675.73 = 70,300.76 : x
  2. Step 2: Convert to fraction form
    119,330.67/164,675.73 = 70,300.76/x
  3. Step 3: Cross multiply
    119,330.67x = 164,675.73 × 70,300.76
  4. Step 4: Simplify right side
    119,330.67x = 11,576,828,149.18
  5. Step 5: Solve for x
    x = 11,576,828,149.18/119,330.67
  6. Step 6: Final answer
    x = 97,014.69

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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.