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Finding the Fourth Proportional to 159,400.92, 238,510.76 and 117,312.08

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Solution

The fourth proportional to 159,400.92, 238,510.76 and 117,312.08 is: 175,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,400.92 : 238,510.76 = 117,312.08 : x
  2. Step 2: Convert to fraction form
    159,400.92/238,510.76 = 117,312.08/x
  3. Step 3: Cross multiply
    159,400.92x = 238,510.76 × 117,312.08
  4. Step 4: Simplify right side
    159,400.92x = 27,980,193,357.98
  5. Step 5: Solve for x
    x = 27,980,193,357.98/159,400.92
  6. Step 6: Final answer
    x = 175,533.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.