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Finding the Fourth Proportional to 164,656.56, 227,263.32 and 93,078.12

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Solution

The fourth proportional to 164,656.56, 227,263.32 and 93,078.12 is: 128,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,656.56 : 227,263.32 = 93,078.12 : x
  2. Step 2: Convert to fraction form
    164,656.56/227,263.32 = 93,078.12/x
  3. Step 3: Cross multiply
    164,656.56x = 227,263.32 × 93,078.12
  4. Step 4: Simplify right side
    164,656.56x = 21,153,242,570.56
  5. Step 5: Solve for x
    x = 21,153,242,570.56/164,656.56
  6. Step 6: Final answer
    x = 128,468.87

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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.