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Finding the Fourth Proportional to 124,293.85, 171,526.67 and 70,579.98

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Solution

The fourth proportional to 124,293.85, 171,526.67 and 70,579.98 is: 97,401.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,293.85 : 171,526.67 = 70,579.98 : x
  2. Step 2: Convert to fraction form
    124,293.85/171,526.67 = 70,579.98/x
  3. Step 3: Cross multiply
    124,293.85x = 171,526.67 × 70,579.98
  4. Step 4: Simplify right side
    124,293.85x = 12,106,348,938.07
  5. Step 5: Solve for x
    x = 12,106,348,938.07/124,293.85
  6. Step 6: Final answer
    x = 97,401.03

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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.