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Finding the Fourth Proportional to 153,797.43, 212,225.72 and 93,401.16

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Solution

The fourth proportional to 153,797.43, 212,225.72 and 93,401.16 is: 128,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,797.43 : 212,225.72 = 93,401.16 : x
  2. Step 2: Convert to fraction form
    153,797.43/212,225.72 = 93,401.16/x
  3. Step 3: Cross multiply
    153,797.43x = 212,225.72 × 93,401.16
  4. Step 4: Simplify right side
    153,797.43x = 19,822,128,429.84
  5. Step 5: Solve for x
    x = 19,822,128,429.84/153,797.43
  6. Step 6: Final answer
    x = 128,884.65

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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.