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Finding the Fourth Proportional to 226,152.54, 312,130.80 and 169,078.32

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Solution

The fourth proportional to 226,152.54, 312,130.80 and 169,078.32 is: 233,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,152.54 : 312,130.80 = 169,078.32 : x
  2. Step 2: Convert to fraction form
    226,152.54/312,130.80 = 169,078.32/x
  3. Step 3: Cross multiply
    226,152.54x = 312,130.80 × 169,078.32
  4. Step 4: Simplify right side
    226,152.54x = 52,774,551,284.26
  5. Step 5: Solve for x
    x = 52,774,551,284.26/226,152.54
  6. Step 6: Final answer
    x = 233,358.21

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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.