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Finding the Fourth Proportional to 92,509.84, 127,530.08 and 60,623.40

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Solution

The fourth proportional to 92,509.84, 127,530.08 and 60,623.40 is: 83,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,509.84 : 127,530.08 = 60,623.40 : x
  2. Step 2: Convert to fraction form
    92,509.84/127,530.08 = 60,623.40/x
  3. Step 3: Cross multiply
    92,509.84x = 127,530.08 × 60,623.40
  4. Step 4: Simplify right side
    92,509.84x = 7,731,307,051.87
  5. Step 5: Solve for x
    x = 7,731,307,051.87/92,509.84
  6. Step 6: Final answer
    x = 83,572.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.