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Finding the Fourth Proportional to 164,360.68, 226,756.86 and 121,443.64

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Solution

The fourth proportional to 164,360.68, 226,756.86 and 121,443.64 is: 167,547.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,360.68 : 226,756.86 = 121,443.64 : x
  2. Step 2: Convert to fraction form
    164,360.68/226,756.86 = 121,443.64/x
  3. Step 3: Cross multiply
    164,360.68x = 226,756.86 × 121,443.64
  4. Step 4: Simplify right side
    164,360.68x = 27,538,178,473.37
  5. Step 5: Solve for x
    x = 27,538,178,473.37/164,360.68
  6. Step 6: Final answer
    x = 167,547.24

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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.