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Finding the Fourth Proportional to 85,994.61, 118,670.30 and 47,752.98

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Solution

The fourth proportional to 85,994.61, 118,670.30 and 47,752.98 is: 65,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,994.61 : 118,670.30 = 47,752.98 : x
  2. Step 2: Convert to fraction form
    85,994.61/118,670.30 = 47,752.98/x
  3. Step 3: Cross multiply
    85,994.61x = 118,670.30 × 47,752.98
  4. Step 4: Simplify right side
    85,994.61x = 5,666,860,223.73
  5. Step 5: Solve for x
    x = 5,666,860,223.73/85,994.61
  6. Step 6: Final answer
    x = 65,897.85

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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.