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Finding the Fourth Proportional to 235,564.60, 353,237.55 and 102,376.30

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Solution

The fourth proportional to 235,564.60, 353,237.55 and 102,376.30 is: 153,516.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,564.60 : 353,237.55 = 102,376.30 : x
  2. Step 2: Convert to fraction form
    235,564.60/353,237.55 = 102,376.30/x
  3. Step 3: Cross multiply
    235,564.60x = 353,237.55 × 102,376.30
  4. Step 4: Simplify right side
    235,564.60x = 36,163,153,390.07
  5. Step 5: Solve for x
    x = 36,163,153,390.07/235,564.60
  6. Step 6: Final answer
    x = 153,516.93

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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.