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Finding the Fourth Proportional to 219,056.84, 302,285.84 and 123,557.84

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Solution

The fourth proportional to 219,056.84, 302,285.84 and 123,557.84 is: 170,502.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,056.84 : 302,285.84 = 123,557.84 : x
  2. Step 2: Convert to fraction form
    219,056.84/302,285.84 = 123,557.84/x
  3. Step 3: Cross multiply
    219,056.84x = 302,285.84 × 123,557.84
  4. Step 4: Simplify right side
    219,056.84x = 37,349,785,452.99
  5. Step 5: Solve for x
    x = 37,349,785,452.99/219,056.84
  6. Step 6: Final answer
    x = 170,502.71

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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.