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Finding the Fourth Proportional to 98,735.86, 136,256.13 and 60,495.49

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Solution

The fourth proportional to 98,735.86, 136,256.13 and 60,495.49 is: 83,484.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,735.86 : 136,256.13 = 60,495.49 : x
  2. Step 2: Convert to fraction form
    98,735.86/136,256.13 = 60,495.49/x
  3. Step 3: Cross multiply
    98,735.86x = 136,256.13 × 60,495.49
  4. Step 4: Simplify right side
    98,735.86x = 8,242,881,349.85
  5. Step 5: Solve for x
    x = 8,242,881,349.85/98,735.86
  6. Step 6: Final answer
    x = 83,484.17

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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.