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Finding the Fourth Proportional to 126,492.16, 174,544.32 and 69,900.16

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Solution

The fourth proportional to 126,492.16, 174,544.32 and 69,900.16 is: 96,454.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,492.16 : 174,544.32 = 69,900.16 : x
  2. Step 2: Convert to fraction form
    126,492.16/174,544.32 = 69,900.16/x
  3. Step 3: Cross multiply
    126,492.16x = 174,544.32 × 69,900.16
  4. Step 4: Simplify right side
    126,492.16x = 12,200,675,895.09
  5. Step 5: Solve for x
    x = 12,200,675,895.09/126,492.16
  6. Step 6: Final answer
    x = 96,454.01

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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.