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Finding the Fourth Proportional to 152,246.64, 210,110.04 and 85,200.24

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Solution

The fourth proportional to 152,246.64, 210,110.04 and 85,200.24 is: 117,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,246.64 : 210,110.04 = 85,200.24 : x
  2. Step 2: Convert to fraction form
    152,246.64/210,110.04 = 85,200.24/x
  3. Step 3: Cross multiply
    152,246.64x = 210,110.04 × 85,200.24
  4. Step 4: Simplify right side
    152,246.64x = 17,901,425,834.41
  5. Step 5: Solve for x
    x = 17,901,425,834.41/152,246.64
  6. Step 6: Final answer
    x = 117,581.75

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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.