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Finding the Fourth Proportional to 146,870.88, 202,681.44 and 79,802.88

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Solution

The fourth proportional to 146,870.88, 202,681.44 and 79,802.88 is: 110,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,870.88 : 202,681.44 = 79,802.88 : x
  2. Step 2: Convert to fraction form
    146,870.88/202,681.44 = 79,802.88/x
  3. Step 3: Cross multiply
    146,870.88x = 202,681.44 × 79,802.88
  4. Step 4: Simplify right side
    146,870.88x = 16,174,562,634.55
  5. Step 5: Solve for x
    x = 16,174,562,634.55/146,870.88
  6. Step 6: Final answer
    x = 110,127.77

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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.