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Finding the Fourth Proportional to 157,492.92, 236,287.05 and 56,277.72

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Solution

The fourth proportional to 157,492.92, 236,287.05 and 56,277.72 is: 84,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,492.92 : 236,287.05 = 56,277.72 : x
  2. Step 2: Convert to fraction form
    157,492.92/236,287.05 = 56,277.72/x
  3. Step 3: Cross multiply
    157,492.92x = 236,287.05 × 56,277.72
  4. Step 4: Simplify right side
    157,492.92x = 13,297,696,439.53
  5. Step 5: Solve for x
    x = 13,297,696,439.53/157,492.92
  6. Step 6: Final answer
    x = 84,433.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.