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Finding the Fourth Proportional to 245,775.60, 368,806.80 and 103,612.24

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Solution

The fourth proportional to 245,775.60, 368,806.80 and 103,612.24 is: 155,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,775.60 : 368,806.80 = 103,612.24 : x
  2. Step 2: Convert to fraction form
    245,775.60/368,806.80 = 103,612.24/x
  3. Step 3: Cross multiply
    245,775.60x = 368,806.80 × 103,612.24
  4. Step 4: Simplify right side
    245,775.60x = 38,212,898,675.23
  5. Step 5: Solve for x
    x = 38,212,898,675.23/245,775.60
  6. Step 6: Final answer
    x = 155,478.81

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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.