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Finding the Fourth Proportional to 246,492.40, 369,779.45 and 86,526.82

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Solution

The fourth proportional to 246,492.40, 369,779.45 and 86,526.82 is: 129,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,492.40 : 369,779.45 = 86,526.82 : x
  2. Step 2: Convert to fraction form
    246,492.40/369,779.45 = 86,526.82/x
  3. Step 3: Cross multiply
    246,492.40x = 369,779.45 × 86,526.82
  4. Step 4: Simplify right side
    246,492.40x = 31,995,837,628.32
  5. Step 5: Solve for x
    x = 31,995,837,628.32/246,492.40
  6. Step 6: Final answer
    x = 129,804.56

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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.