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Finding the Fourth Proportional to 202,525.98, 279,484.74 and 111,888.18

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Solution

The fourth proportional to 202,525.98, 279,484.74 and 111,888.18 is: 154,405.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,525.98 : 279,484.74 = 111,888.18 : x
  2. Step 2: Convert to fraction form
    202,525.98/279,484.74 = 111,888.18/x
  3. Step 3: Cross multiply
    202,525.98x = 279,484.74 × 111,888.18
  4. Step 4: Simplify right side
    202,525.98x = 31,271,038,896.37
  5. Step 5: Solve for x
    x = 31,271,038,896.37/202,525.98
  6. Step 6: Final answer
    x = 154,405.07

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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.