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Finding the Fourth Proportional to 222,045.40, 333,068.10 and 103,947.40

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Solution

The fourth proportional to 222,045.40, 333,068.10 and 103,947.40 is: 155,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,045.40 : 333,068.10 = 103,947.40 : x
  2. Step 2: Convert to fraction form
    222,045.40/333,068.10 = 103,947.40/x
  3. Step 3: Cross multiply
    222,045.40x = 333,068.10 × 103,947.40
  4. Step 4: Simplify right side
    222,045.40x = 34,621,563,017.94
  5. Step 5: Solve for x
    x = 34,621,563,017.94/222,045.40
  6. Step 6: Final answer
    x = 155,921.10

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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.