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Finding the Fourth Proportional to 97,248.15, 145,927.55 and 77,651.26

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Solution

The fourth proportional to 97,248.15, 145,927.55 and 77,651.26 is: 116,521.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,248.15 : 145,927.55 = 77,651.26 : x
  2. Step 2: Convert to fraction form
    97,248.15/145,927.55 = 77,651.26/x
  3. Step 3: Cross multiply
    97,248.15x = 145,927.55 × 77,651.26
  4. Step 4: Simplify right side
    97,248.15x = 11,331,457,955.52
  5. Step 5: Solve for x
    x = 11,331,457,955.52/97,248.15
  6. Step 6: Final answer
    x = 116,521.06

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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.