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Finding the Fourth Proportional to 122,140.10, 183,210.15 and 101,404.10

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Solution

The fourth proportional to 122,140.10, 183,210.15 and 101,404.10 is: 152,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,140.10 : 183,210.15 = 101,404.10 : x
  2. Step 2: Convert to fraction form
    122,140.10/183,210.15 = 101,404.10/x
  3. Step 3: Cross multiply
    122,140.10x = 183,210.15 × 101,404.10
  4. Step 4: Simplify right side
    122,140.10x = 18,578,260,371.62
  5. Step 5: Solve for x
    x = 18,578,260,371.62/122,140.10
  6. Step 6: Final answer
    x = 152,106.15

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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.