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Finding the Fourth Proportional to 144,779.94, 217,175.99 and 39,598.74

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Solution

The fourth proportional to 144,779.94, 217,175.99 and 39,598.74 is: 59,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,779.94 : 217,175.99 = 39,598.74 : x
  2. Step 2: Convert to fraction form
    144,779.94/217,175.99 = 39,598.74/x
  3. Step 3: Cross multiply
    144,779.94x = 217,175.99 × 39,598.74
  4. Step 4: Simplify right side
    144,779.94x = 8,599,895,364.26
  5. Step 5: Solve for x
    x = 8,599,895,364.26/144,779.94
  6. Step 6: Final answer
    x = 59,399.77

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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.