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Finding the Fourth Proportional to 157,870.56, 217,923.71 and 97,465.62

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Solution

The fourth proportional to 157,870.56, 217,923.71 and 97,465.62 is: 134,541.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,870.56 : 217,923.71 = 97,465.62 : x
  2. Step 2: Convert to fraction form
    157,870.56/217,923.71 = 97,465.62/x
  3. Step 3: Cross multiply
    157,870.56x = 217,923.71 × 97,465.62
  4. Step 4: Simplify right side
    157,870.56x = 21,240,069,507.85
  5. Step 5: Solve for x
    x = 21,240,069,507.85/157,870.56
  6. Step 6: Final answer
    x = 134,541.04

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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.