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Finding the Fourth Proportional to 154,612.70, 232,005.45 and 65,851.10

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Solution

The fourth proportional to 154,612.70, 232,005.45 and 65,851.10 is: 98,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,612.70 : 232,005.45 = 65,851.10 : x
  2. Step 2: Convert to fraction form
    154,612.70/232,005.45 = 65,851.10/x
  3. Step 3: Cross multiply
    154,612.70x = 232,005.45 × 65,851.10
  4. Step 4: Simplify right side
    154,612.70x = 15,277,814,088.50
  5. Step 5: Solve for x
    x = 15,277,814,088.50/154,612.70
  6. Step 6: Final answer
    x = 98,813.45

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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.