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Finding the Fourth Proportional to 219,816.16, 303,362.64 and 124,332.64

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Solution

The fourth proportional to 219,816.16, 303,362.64 and 124,332.64 is: 171,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,816.16 : 303,362.64 = 124,332.64 : x
  2. Step 2: Convert to fraction form
    219,816.16/303,362.64 = 124,332.64/x
  3. Step 3: Cross multiply
    219,816.16x = 303,362.64 × 124,332.64
  4. Step 4: Simplify right side
    219,816.16x = 37,717,877,908.57
  5. Step 5: Solve for x
    x = 37,717,877,908.57/219,816.16
  6. Step 6: Final answer
    x = 171,588.28

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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.