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Finding the Fourth Proportional to 144,389.52, 216,611.70 and 65,510.16

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Solution

The fourth proportional to 144,389.52, 216,611.70 and 65,510.16 is: 98,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,389.52 : 216,611.70 = 65,510.16 : x
  2. Step 2: Convert to fraction form
    144,389.52/216,611.70 = 65,510.16/x
  3. Step 3: Cross multiply
    144,389.52x = 216,611.70 × 65,510.16
  4. Step 4: Simplify right side
    144,389.52x = 14,190,267,124.87
  5. Step 5: Solve for x
    x = 14,190,267,124.87/144,389.52
  6. Step 6: Final answer
    x = 98,277.68

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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.