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Finding the Fourth Proportional to 273,105, 376,881.12 and 152,256.24

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Solution

The fourth proportional to 273,105, 376,881.12 and 152,256.24 is: 210,111.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,105 : 376,881.12 = 152,256.24 : x
  2. Step 2: Convert to fraction form
    273,105/376,881.12 = 152,256.24/x
  3. Step 3: Cross multiply
    273,105x = 376,881.12 × 152,256.24
  4. Step 4: Simplify right side
    273,105x = 57,382,502,258.19
  5. Step 5: Solve for x
    x = 57,382,502,258.19/273,105
  6. Step 6: Final answer
    x = 210,111.50

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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.