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Finding the Fourth Proportional to 222,196.64, 333,320.94 and 78,058.22

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Solution

The fourth proportional to 222,196.64, 333,320.94 and 78,058.22 is: 117,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,196.64 : 333,320.94 = 78,058.22 : x
  2. Step 2: Convert to fraction form
    222,196.64/333,320.94 = 78,058.22/x
  3. Step 3: Cross multiply
    222,196.64x = 333,320.94 × 78,058.22
  4. Step 4: Simplify right side
    222,196.64x = 26,018,437,598.52
  5. Step 5: Solve for x
    x = 26,018,437,598.52/222,196.64
  6. Step 6: Final answer
    x = 117,096.45

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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.