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Finding the Fourth Proportional to 162,578.66, 243,807.38 and 55,932.80

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Solution

The fourth proportional to 162,578.66, 243,807.38 and 55,932.80 is: 83,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,578.66 : 243,807.38 = 55,932.80 : x
  2. Step 2: Convert to fraction form
    162,578.66/243,807.38 = 55,932.80/x
  3. Step 3: Cross multiply
    162,578.66x = 243,807.38 × 55,932.80
  4. Step 4: Simplify right side
    162,578.66x = 13,636,829,424.06
  5. Step 5: Solve for x
    x = 13,636,829,424.06/162,578.66
  6. Step 6: Final answer
    x = 83,878.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.