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Finding the Fourth Proportional to 154,364.70, 231,547.05 and 94,230.30

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Solution

The fourth proportional to 154,364.70, 231,547.05 and 94,230.30 is: 141,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,364.70 : 231,547.05 = 94,230.30 : x
  2. Step 2: Convert to fraction form
    154,364.70/231,547.05 = 94,230.30/x
  3. Step 3: Cross multiply
    154,364.70x = 231,547.05 × 94,230.30
  4. Step 4: Simplify right side
    154,364.70x = 21,818,747,985.62
  5. Step 5: Solve for x
    x = 21,818,747,985.62/154,364.70
  6. Step 6: Final answer
    x = 141,345.45

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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.