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Finding the Fourth Proportional to 58,301.39, 87,339.30 and 48,828.93

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Solution

The fourth proportional to 58,301.39, 87,339.30 and 48,828.93 is: 73,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,301.39 : 87,339.30 = 48,828.93 : x
  2. Step 2: Convert to fraction form
    58,301.39/87,339.30 = 48,828.93/x
  3. Step 3: Cross multiply
    58,301.39x = 87,339.30 × 48,828.93
  4. Step 4: Simplify right side
    58,301.39x = 4,264,684,565.95
  5. Step 5: Solve for x
    x = 4,264,684,565.95/58,301.39
  6. Step 6: Final answer
    x = 73,148.94

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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.