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Finding the Fourth Proportional to 222,501.60, 307,048.32 and 137,596.32

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Solution

The fourth proportional to 222,501.60, 307,048.32 and 137,596.32 is: 189,880.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,501.60 : 307,048.32 = 137,596.32 : x
  2. Step 2: Convert to fraction form
    222,501.60/307,048.32 = 137,596.32/x
  3. Step 3: Cross multiply
    222,501.60x = 307,048.32 × 137,596.32
  4. Step 4: Simplify right side
    222,501.60x = 42,248,718,894.18
  5. Step 5: Solve for x
    x = 42,248,718,894.18/222,501.60
  6. Step 6: Final answer
    x = 189,880.52

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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.