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Finding the Fourth Proportional to 126,804.56, 174,988.13 and 70,214.72

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Solution

The fourth proportional to 126,804.56, 174,988.13 and 70,214.72 is: 96,895.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,804.56 : 174,988.13 = 70,214.72 : x
  2. Step 2: Convert to fraction form
    126,804.56/174,988.13 = 70,214.72/x
  3. Step 3: Cross multiply
    126,804.56x = 174,988.13 × 70,214.72
  4. Step 4: Simplify right side
    126,804.56x = 12,286,741,325.26
  5. Step 5: Solve for x
    x = 12,286,741,325.26/126,804.56
  6. Step 6: Final answer
    x = 96,895.11

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1.5x scale

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.