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Finding the Fourth Proportional to 104,173.58, 143,752.10 and 61,154.84

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Solution

The fourth proportional to 104,173.58, 143,752.10 and 61,154.84 is: 84,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,173.58 : 143,752.10 = 61,154.84 : x
  2. Step 2: Convert to fraction form
    104,173.58/143,752.10 = 61,154.84/x
  3. Step 3: Cross multiply
    104,173.58x = 143,752.10 × 61,154.84
  4. Step 4: Simplify right side
    104,173.58x = 8,791,136,728.77
  5. Step 5: Solve for x
    x = 8,791,136,728.77/104,173.58
  6. Step 6: Final answer
    x = 84,389.31

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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.