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Finding the Fourth Proportional to 210,575.67, 290,101.82 and 146,799.51

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Solution

The fourth proportional to 210,575.67, 290,101.82 and 146,799.51 is: 202,239.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,575.67 : 290,101.82 = 146,799.51 : x
  2. Step 2: Convert to fraction form
    210,575.67/290,101.82 = 146,799.51/x
  3. Step 3: Cross multiply
    210,575.67x = 290,101.82 × 146,799.51
  4. Step 4: Simplify right side
    210,575.67x = 42,586,804,292.11
  5. Step 5: Solve for x
    x = 42,586,804,292.11/210,575.67
  6. Step 6: Final answer
    x = 202,239.91

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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.