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Finding the Fourth Proportional to 156,954.86, 216,599.07 and 85,334.93

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Solution

The fourth proportional to 156,954.86, 216,599.07 and 85,334.93 is: 117,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,954.86 : 216,599.07 = 85,334.93 : x
  2. Step 2: Convert to fraction form
    156,954.86/216,599.07 = 85,334.93/x
  3. Step 3: Cross multiply
    156,954.86x = 216,599.07 × 85,334.93
  4. Step 4: Simplify right side
    156,954.86x = 18,483,466,476.52
  5. Step 5: Solve for x
    x = 18,483,466,476.52/156,954.86
  6. Step 6: Final answer
    x = 117,762.94

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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.