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Finding the Fourth Proportional to 202,772.07, 279,810.99 and 112,111.34

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Solution

The fourth proportional to 202,772.07, 279,810.99 and 112,111.34 is: 154,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,772.07 : 279,810.99 = 112,111.34 : x
  2. Step 2: Convert to fraction form
    202,772.07/279,810.99 = 112,111.34/x
  3. Step 3: Cross multiply
    202,772.07x = 279,810.99 × 112,111.34
  4. Step 4: Simplify right side
    202,772.07x = 31,369,983,636.57
  5. Step 5: Solve for x
    x = 31,369,983,636.57/202,772.07
  6. Step 6: Final answer
    x = 154,705.64

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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.