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Finding the Fourth Proportional to 126,606, 174,701.16 and 70,009.68

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Solution

The fourth proportional to 126,606, 174,701.16 and 70,009.68 is: 96,605.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,606 : 174,701.16 = 70,009.68 : x
  2. Step 2: Convert to fraction form
    126,606/174,701.16 = 70,009.68/x
  3. Step 3: Cross multiply
    126,606x = 174,701.16 × 70,009.68
  4. Step 4: Simplify right side
    126,606x = 12,230,772,307.23
  5. Step 5: Solve for x
    x = 12,230,772,307.23/126,606
  6. Step 6: Final answer
    x = 96,605.00

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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.