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Finding the Fourth Proportional to 157,574.40, 217,526.22 and 101,018.04

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Solution

The fourth proportional to 157,574.40, 217,526.22 and 101,018.04 is: 139,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,574.40 : 217,526.22 = 101,018.04 : x
  2. Step 2: Convert to fraction form
    157,574.40/217,526.22 = 101,018.04/x
  3. Step 3: Cross multiply
    157,574.40x = 217,526.22 × 101,018.04
  4. Step 4: Simplify right side
    157,574.40x = 21,974,072,393.01
  5. Step 5: Solve for x
    x = 21,974,072,393.01/157,574.40
  6. Step 6: Final answer
    x = 139,452.05

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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.