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Finding the Fourth Proportional to 245,772.32, 368,748.58 and 103,653.36

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Solution

The fourth proportional to 245,772.32, 368,748.58 and 103,653.36 is: 155,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,772.32 : 368,748.58 = 103,653.36 : x
  2. Step 2: Convert to fraction form
    245,772.32/368,748.58 = 103,653.36/x
  3. Step 3: Cross multiply
    245,772.32x = 368,748.58 × 103,653.36
  4. Step 4: Simplify right side
    245,772.32x = 38,222,029,312.23
  5. Step 5: Solve for x
    x = 38,222,029,312.23/245,772.32
  6. Step 6: Final answer
    x = 155,518.04

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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.