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Finding the Fourth Proportional to 154,595.40, 231,798.33 and 65,798.34

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Solution

The fourth proportional to 154,595.40, 231,798.33 and 65,798.34 is: 98,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,595.40 : 231,798.33 = 65,798.34 : x
  2. Step 2: Convert to fraction form
    154,595.40/231,798.33 = 65,798.34/x
  3. Step 3: Cross multiply
    154,595.40x = 231,798.33 × 65,798.34
  4. Step 4: Simplify right side
    154,595.40x = 15,251,945,328.77
  5. Step 5: Solve for x
    x = 15,251,945,328.77/154,595.40
  6. Step 6: Final answer
    x = 98,657.17

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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.