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Finding the Fourth Proportional to 202,681.02, 279,695.34 and 112,033.50

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Solution

The fourth proportional to 202,681.02, 279,695.34 and 112,033.50 is: 154,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,681.02 : 279,695.34 = 112,033.50 : x
  2. Step 2: Convert to fraction form
    202,681.02/279,695.34 = 112,033.50/x
  3. Step 3: Cross multiply
    202,681.02x = 279,695.34 × 112,033.50
  4. Step 4: Simplify right side
    202,681.02x = 31,335,247,873.89
  5. Step 5: Solve for x
    x = 31,335,247,873.89/202,681.02
  6. Step 6: Final answer
    x = 154,603.76

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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.