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Finding the Fourth Proportional to 144,035.34, 216,130.59 and 70,163.34

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Solution

The fourth proportional to 144,035.34, 216,130.59 and 70,163.34 is: 105,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,035.34 : 216,130.59 = 70,163.34 : x
  2. Step 2: Convert to fraction form
    144,035.34/216,130.59 = 70,163.34/x
  3. Step 3: Cross multiply
    144,035.34x = 216,130.59 × 70,163.34
  4. Step 4: Simplify right side
    144,035.34x = 15,164,444,070.57
  5. Step 5: Solve for x
    x = 15,164,444,070.57/144,035.34
  6. Step 6: Final answer
    x = 105,282.80

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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.