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Finding the Fourth Proportional to 245,808.84, 368,789.80 and 88,038.66

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Solution

The fourth proportional to 245,808.84, 368,789.80 and 88,038.66 is: 132,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,808.84 : 368,789.80 = 88,038.66 : x
  2. Step 2: Convert to fraction form
    245,808.84/368,789.80 = 88,038.66/x
  3. Step 3: Cross multiply
    245,808.84x = 368,789.80 × 88,038.66
  4. Step 4: Simplify right side
    245,808.84x = 32,467,759,813.67
  5. Step 5: Solve for x
    x = 32,467,759,813.67/245,808.84
  6. Step 6: Final answer
    x = 132,085.40

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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.