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Finding the Fourth Proportional to 104,707.25, 144,492.96 and 59,389.40

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Solution

The fourth proportional to 104,707.25, 144,492.96 and 59,389.40 is: 81,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,707.25 : 144,492.96 = 59,389.40 : x
  2. Step 2: Convert to fraction form
    104,707.25/144,492.96 = 59,389.40/x
  3. Step 3: Cross multiply
    104,707.25x = 144,492.96 × 59,389.40
  4. Step 4: Simplify right side
    104,707.25x = 8,581,350,782.57
  5. Step 5: Solve for x
    x = 8,581,350,782.57/104,707.25
  6. Step 6: Final answer
    x = 81,955.65

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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.