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Finding the Fourth Proportional to 126,607, 174,702.54 and 70,010.68

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Solution

The fourth proportional to 126,607, 174,702.54 and 70,010.68 is: 96,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,607 : 174,702.54 = 70,010.68 : x
  2. Step 2: Convert to fraction form
    126,607/174,702.54 = 70,010.68/x
  3. Step 3: Cross multiply
    126,607x = 174,702.54 × 70,010.68
  4. Step 4: Simplify right side
    126,607x = 12,231,043,623.13
  5. Step 5: Solve for x
    x = 12,231,043,623.13/126,607
  6. Step 6: Final answer
    x = 96,606.38

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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.