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Finding the Fourth Proportional to 222,128.16, 333,192.24 and 64,356.72

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Solution

The fourth proportional to 222,128.16, 333,192.24 and 64,356.72 is: 96,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,128.16 : 333,192.24 = 64,356.72 : x
  2. Step 2: Convert to fraction form
    222,128.16/333,192.24 = 64,356.72/x
  3. Step 3: Cross multiply
    222,128.16x = 333,192.24 × 64,356.72
  4. Step 4: Simplify right side
    222,128.16x = 21,443,159,695.85
  5. Step 5: Solve for x
    x = 21,443,159,695.85/222,128.16
  6. Step 6: Final answer
    x = 96,535.08

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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.