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Finding the Fourth Proportional to 203,258.16, 279,870.12 and 180,557.64

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Solution

The fourth proportional to 203,258.16, 279,870.12 and 180,557.64 is: 248,613.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,258.16 : 279,870.12 = 180,557.64 : x
  2. Step 2: Convert to fraction form
    203,258.16/279,870.12 = 180,557.64/x
  3. Step 3: Cross multiply
    203,258.16x = 279,870.12 × 180,557.64
  4. Step 4: Simplify right side
    203,258.16x = 50,532,688,373.72
  5. Step 5: Solve for x
    x = 50,532,688,373.72/203,258.16
  6. Step 6: Final answer
    x = 248,613.33

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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.