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Finding the Fourth Proportional to 245,445.52, 368,125.08 and 65,533.18

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Solution

The fourth proportional to 245,445.52, 368,125.08 and 65,533.18 is: 98,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,445.52 : 368,125.08 = 65,533.18 : x
  2. Step 2: Convert to fraction form
    245,445.52/368,125.08 = 65,533.18/x
  3. Step 3: Cross multiply
    245,445.52x = 368,125.08 × 65,533.18
  4. Step 4: Simplify right side
    245,445.52x = 24,124,407,130.15
  5. Step 5: Solve for x
    x = 24,124,407,130.15/245,445.52
  6. Step 6: Final answer
    x = 98,288.24

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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.