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Finding the Fourth Proportional to 222,417.90, 333,536.94 and 138,053.16

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Solution

The fourth proportional to 222,417.90, 333,536.94 and 138,053.16 is: 207,023.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,417.90 : 333,536.94 = 138,053.16 : x
  2. Step 2: Convert to fraction form
    222,417.90/333,536.94 = 138,053.16/x
  3. Step 3: Cross multiply
    222,417.90x = 333,536.94 × 138,053.16
  4. Step 4: Simplify right side
    222,417.90x = 46,045,828,543.73
  5. Step 5: Solve for x
    x = 46,045,828,543.73/222,417.90
  6. Step 6: Final answer
    x = 207,023.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.