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Finding the Fourth Proportional to 107,492.72, 148,328.82 and 67,210.92

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Solution

The fourth proportional to 107,492.72, 148,328.82 and 67,210.92 is: 92,744.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,492.72 : 148,328.82 = 67,210.92 : x
  2. Step 2: Convert to fraction form
    107,492.72/148,328.82 = 67,210.92/x
  3. Step 3: Cross multiply
    107,492.72x = 148,328.82 × 67,210.92
  4. Step 4: Simplify right side
    107,492.72x = 9,969,316,454.71
  5. Step 5: Solve for x
    x = 9,969,316,454.71/107,492.72
  6. Step 6: Final answer
    x = 92,744.11

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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.