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Finding the Fourth Proportional to 124,019.70, 171,160.50 and 70,298.88

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Solution

The fourth proportional to 124,019.70, 171,160.50 and 70,298.88 is: 97,020.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,019.70 : 171,160.50 = 70,298.88 : x
  2. Step 2: Convert to fraction form
    124,019.70/171,160.50 = 70,298.88/x
  3. Step 3: Cross multiply
    124,019.70x = 171,160.50 × 70,298.88
  4. Step 4: Simplify right side
    124,019.70x = 12,032,391,450.24
  5. Step 5: Solve for x
    x = 12,032,391,450.24/124,019.70
  6. Step 6: Final answer
    x = 97,020.00

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1.5x scale

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.