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Finding the Fourth Proportional to 110,647.42, 152,692.74 and 62,900.77

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Solution

The fourth proportional to 110,647.42, 152,692.74 and 62,900.77 is: 86,802.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,647.42 : 152,692.74 = 62,900.77 : x
  2. Step 2: Convert to fraction form
    110,647.42/152,692.74 = 62,900.77/x
  3. Step 3: Cross multiply
    110,647.42x = 152,692.74 × 62,900.77
  4. Step 4: Simplify right side
    110,647.42x = 9,604,489,841.44
  5. Step 5: Solve for x
    x = 9,604,489,841.44/110,647.42
  6. Step 6: Final answer
    x = 86,802.66

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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.