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Finding the Fourth Proportional to 104,509.34, 144,223.93 and 56,763.62

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Solution

The fourth proportional to 104,509.34, 144,223.93 and 56,763.62 is: 78,334.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,509.34 : 144,223.93 = 56,763.62 : x
  2. Step 2: Convert to fraction form
    104,509.34/144,223.93 = 56,763.62/x
  3. Step 3: Cross multiply
    104,509.34x = 144,223.93 × 56,763.62
  4. Step 4: Simplify right side
    104,509.34x = 8,186,672,357.43
  5. Step 5: Solve for x
    x = 8,186,672,357.43/104,509.34
  6. Step 6: Final answer
    x = 78,334.36

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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.