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Finding the Fourth Proportional to 122,430.76, 183,264.50 and 94,277.68

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Solution

The fourth proportional to 122,430.76, 183,264.50 and 94,277.68 is: 141,122.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,430.76 : 183,264.50 = 94,277.68 : x
  2. Step 2: Convert to fraction form
    122,430.76/183,264.50 = 94,277.68/x
  3. Step 3: Cross multiply
    122,430.76x = 183,264.50 × 94,277.68
  4. Step 4: Simplify right side
    122,430.76x = 17,277,751,886.36
  5. Step 5: Solve for x
    x = 17,277,751,886.36/122,430.76
  6. Step 6: Final answer
    x = 141,122.64

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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.