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Finding the Fourth Proportional to 94,776.76, 130,798.82 and 54,503.16

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Solution

The fourth proportional to 94,776.76, 130,798.82 and 54,503.16 is: 75,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,776.76 : 130,798.82 = 54,503.16 : x
  2. Step 2: Convert to fraction form
    94,776.76/130,798.82 = 54,503.16/x
  3. Step 3: Cross multiply
    94,776.76x = 130,798.82 × 54,503.16
  4. Step 4: Simplify right side
    94,776.76x = 7,128,949,014.27
  5. Step 5: Solve for x
    x = 7,128,949,014.27/94,776.76
  6. Step 6: Final answer
    x = 75,218.32

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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.