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Finding the Fourth Proportional to 117,614.48, 162,315.24 and 67,312.40

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Solution

The fourth proportional to 117,614.48, 162,315.24 and 67,312.40 is: 92,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,614.48 : 162,315.24 = 67,312.40 : x
  2. Step 2: Convert to fraction form
    117,614.48/162,315.24 = 67,312.40/x
  3. Step 3: Cross multiply
    117,614.48x = 162,315.24 × 67,312.40
  4. Step 4: Simplify right side
    117,614.48x = 10,925,828,360.98
  5. Step 5: Solve for x
    x = 10,925,828,360.98/117,614.48
  6. Step 6: Final answer
    x = 92,895.27

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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.