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Finding the Fourth Proportional to 144,522.94, 216,762.54 and 39,350.20

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Solution

The fourth proportional to 144,522.94, 216,762.54 and 39,350.20 is: 59,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,522.94 : 216,762.54 = 39,350.20 : x
  2. Step 2: Convert to fraction form
    144,522.94/216,762.54 = 39,350.20/x
  3. Step 3: Cross multiply
    144,522.94x = 216,762.54 × 39,350.20
  4. Step 4: Simplify right side
    144,522.94x = 8,529,649,301.51
  5. Step 5: Solve for x
    x = 8,529,649,301.51/144,522.94
  6. Step 6: Final answer
    x = 59,019.35

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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.