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Finding the Fourth Proportional to 163,875.72, 245,813.56 and 93,705.84

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Solution

The fourth proportional to 163,875.72, 245,813.56 and 93,705.84 is: 140,558.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,875.72 : 245,813.56 = 93,705.84 : x
  2. Step 2: Convert to fraction form
    163,875.72/245,813.56 = 93,705.84/x
  3. Step 3: Cross multiply
    163,875.72x = 245,813.56 × 93,705.84
  4. Step 4: Simplify right side
    163,875.72x = 23,034,166,123.19
  5. Step 5: Solve for x
    x = 23,034,166,123.19/163,875.72
  6. Step 6: Final answer
    x = 140,558.75

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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.