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Finding the Fourth Proportional to 152,298.80, 227,929.80 and 133,636.40

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Solution

The fourth proportional to 152,298.80, 227,929.80 and 133,636.40 is: 199,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,298.80 : 227,929.80 = 133,636.40 : x
  2. Step 2: Convert to fraction form
    152,298.80/227,929.80 = 133,636.40/x
  3. Step 3: Cross multiply
    152,298.80x = 227,929.80 × 133,636.40
  4. Step 4: Simplify right side
    152,298.80x = 30,459,717,924.72
  5. Step 5: Solve for x
    x = 30,459,717,924.72/152,298.80
  6. Step 6: Final answer
    x = 199,999.72

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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.