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Finding the Fourth Proportional to 178,957.50, 246,955.05 and 98,384.45

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Solution

The fourth proportional to 178,957.50, 246,955.05 and 98,384.45 is: 135,767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,957.50 : 246,955.05 = 98,384.45 : x
  2. Step 2: Convert to fraction form
    178,957.50/246,955.05 = 98,384.45/x
  3. Step 3: Cross multiply
    178,957.50x = 246,955.05 × 98,384.45
  4. Step 4: Simplify right side
    178,957.50x = 24,296,535,534.20
  5. Step 5: Solve for x
    x = 24,296,535,534.20/178,957.50
  6. Step 6: Final answer
    x = 135,767.07

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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.