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Finding the Fourth Proportional to 126,916.84, 175,145.24 and 70,328.22

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Solution

The fourth proportional to 126,916.84, 175,145.24 and 70,328.22 is: 97,052.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,916.84 : 175,145.24 = 70,328.22 : x
  2. Step 2: Convert to fraction form
    126,916.84/175,145.24 = 70,328.22/x
  3. Step 3: Cross multiply
    126,916.84x = 175,145.24 × 70,328.22
  4. Step 4: Simplify right side
    126,916.84x = 12,317,652,970.67
  5. Step 5: Solve for x
    x = 12,317,652,970.67/126,916.84
  6. Step 6: Final answer
    x = 97,052.94

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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.