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Finding the Fourth Proportional to 70,812.93, 97,722.12 and 40,598.91

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Solution

The fourth proportional to 70,812.93, 97,722.12 and 40,598.91 is: 56,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,812.93 : 97,722.12 = 40,598.91 : x
  2. Step 2: Convert to fraction form
    70,812.93/97,722.12 = 40,598.91/x
  3. Step 3: Cross multiply
    70,812.93x = 97,722.12 × 40,598.91
  4. Step 4: Simplify right side
    70,812.93x = 3,967,411,554.89
  5. Step 5: Solve for x
    x = 3,967,411,554.89/70,812.93
  6. Step 6: Final answer
    x = 56,026.65

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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.