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Finding the Fourth Proportional to 58,968.04, 88,486.62 and 42,310.12

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Solution

The fourth proportional to 58,968.04, 88,486.62 and 42,310.12 is: 63,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,968.04 : 88,486.62 = 42,310.12 : x
  2. Step 2: Convert to fraction form
    58,968.04/88,486.62 = 42,310.12/x
  3. Step 3: Cross multiply
    58,968.04x = 88,486.62 × 42,310.12
  4. Step 4: Simplify right side
    58,968.04x = 3,743,879,510.59
  5. Step 5: Solve for x
    x = 3,743,879,510.59/58,968.04
  6. Step 6: Final answer
    x = 63,489.98

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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.