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Finding the Fourth Proportional to 245,775.32, 368,753.08 and 103,656.36

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Solution

The fourth proportional to 245,775.32, 368,753.08 and 103,656.36 is: 155,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,775.32 : 368,753.08 = 103,656.36 : x
  2. Step 2: Convert to fraction form
    245,775.32/368,753.08 = 103,656.36/x
  3. Step 3: Cross multiply
    245,775.32x = 368,753.08 × 103,656.36
  4. Step 4: Simplify right side
    245,775.32x = 38,223,602,011.59
  5. Step 5: Solve for x
    x = 38,223,602,011.59/245,775.32
  6. Step 6: Final answer
    x = 155,522.54

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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.