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Finding the Fourth Proportional to 235,300.08, 353,005.48 and 77,528.53

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Solution

The fourth proportional to 235,300.08, 353,005.48 and 77,528.53 is: 116,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,300.08 : 353,005.48 = 77,528.53 : x
  2. Step 2: Convert to fraction form
    235,300.08/353,005.48 = 77,528.53/x
  3. Step 3: Cross multiply
    235,300.08x = 353,005.48 × 77,528.53
  4. Step 4: Simplify right side
    235,300.08x = 27,367,996,484.51
  5. Step 5: Solve for x
    x = 27,367,996,484.51/235,300.08
  6. Step 6: Final answer
    x = 116,311.04

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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.