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Finding the Fourth Proportional to 156,980.84, 216,557.42 and 93,273.53

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Solution

The fourth proportional to 156,980.84, 216,557.42 and 93,273.53 is: 128,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,980.84 : 216,557.42 = 93,273.53 : x
  2. Step 2: Convert to fraction form
    156,980.84/216,557.42 = 93,273.53/x
  3. Step 3: Cross multiply
    156,980.84x = 216,557.42 × 93,273.53
  4. Step 4: Simplify right side
    156,980.84x = 20,199,073,461.94
  5. Step 5: Solve for x
    x = 20,199,073,461.94/156,980.84
  6. Step 6: Final answer
    x = 128,672.23

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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.