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Finding the Fourth Proportional to 122,323.70, 183,485.55 and 52,210.10

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Solution

The fourth proportional to 122,323.70, 183,485.55 and 52,210.10 is: 78,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,323.70 : 183,485.55 = 52,210.10 : x
  2. Step 2: Convert to fraction form
    122,323.70/183,485.55 = 52,210.10/x
  3. Step 3: Cross multiply
    122,323.70x = 183,485.55 × 52,210.10
  4. Step 4: Simplify right side
    122,323.70x = 9,579,798,914.06
  5. Step 5: Solve for x
    x = 9,579,798,914.06/122,323.70
  6. Step 6: Final answer
    x = 78,315.15

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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.