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Finding the Fourth Proportional to 216,832.10, 299,223.55 and 118,715.14

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Solution

The fourth proportional to 216,832.10, 299,223.55 and 118,715.14 is: 163,824.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,832.10 : 299,223.55 = 118,715.14 : x
  2. Step 2: Convert to fraction form
    216,832.10/299,223.55 = 118,715.14/x
  3. Step 3: Cross multiply
    216,832.10x = 299,223.55 × 118,715.14
  4. Step 4: Simplify right side
    216,832.10x = 35,522,365,629.55
  5. Step 5: Solve for x
    x = 35,522,365,629.55/216,832.10
  6. Step 6: Final answer
    x = 163,824.29

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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.