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Finding the Fourth Proportional to 161,145.51, 222,384.76 and 88,547.82

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Solution

The fourth proportional to 161,145.51, 222,384.76 and 88,547.82 is: 122,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,145.51 : 222,384.76 = 88,547.82 : x
  2. Step 2: Convert to fraction form
    161,145.51/222,384.76 = 88,547.82/x
  3. Step 3: Cross multiply
    161,145.51x = 222,384.76 × 88,547.82
  4. Step 4: Simplify right side
    161,145.51x = 19,691,685,699.22
  5. Step 5: Solve for x
    x = 19,691,685,699.22/161,145.51
  6. Step 6: Final answer
    x = 122,198.17

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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.