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Finding the Fourth Proportional to 117,635.99, 176,409.83 and 42,737.63

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Solution

The fourth proportional to 117,635.99, 176,409.83 and 42,737.63 is: 64,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,635.99 : 176,409.83 = 42,737.63 : x
  2. Step 2: Convert to fraction form
    117,635.99/176,409.83 = 42,737.63/x
  3. Step 3: Cross multiply
    117,635.99x = 176,409.83 × 42,737.63
  4. Step 4: Simplify right side
    117,635.99x = 7,539,337,829.21
  5. Step 5: Solve for x
    x = 7,539,337,829.21/117,635.99
  6. Step 6: Final answer
    x = 64,090.40

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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.