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Finding the Fourth Proportional to 73,501.73, 101,455.23 and 58,421.15

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Solution

The fourth proportional to 73,501.73, 101,455.23 and 58,421.15 is: 80,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,501.73 : 101,455.23 = 58,421.15 : x
  2. Step 2: Convert to fraction form
    73,501.73/101,455.23 = 58,421.15/x
  3. Step 3: Cross multiply
    73,501.73x = 101,455.23 × 58,421.15
  4. Step 4: Simplify right side
    73,501.73x = 5,927,130,702.84
  5. Step 5: Solve for x
    x = 5,927,130,702.84/73,501.73
  6. Step 6: Final answer
    x = 80,639.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.