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Finding the Fourth Proportional to 207,392.16, 311,036.40 and 59,648.16

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Solution

The fourth proportional to 207,392.16, 311,036.40 and 59,648.16 is: 89,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,392.16 : 311,036.40 = 59,648.16 : x
  2. Step 2: Convert to fraction form
    207,392.16/311,036.40 = 59,648.16/x
  3. Step 3: Cross multiply
    207,392.16x = 311,036.40 × 59,648.16
  4. Step 4: Simplify right side
    207,392.16x = 18,552,748,953.02
  5. Step 5: Solve for x
    x = 18,552,748,953.02/207,392.16
  6. Step 6: Final answer
    x = 89,457.33

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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.