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Finding the Fourth Proportional to 94,425, 130,306.68 and 51,404.28

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Solution

The fourth proportional to 94,425, 130,306.68 and 51,404.28 is: 70,938.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,425 : 130,306.68 = 51,404.28 : x
  2. Step 2: Convert to fraction form
    94,425/130,306.68 = 51,404.28/x
  3. Step 3: Cross multiply
    94,425x = 130,306.68 × 51,404.28
  4. Step 4: Simplify right side
    94,425x = 6,698,321,064.59
  5. Step 5: Solve for x
    x = 6,698,321,064.59/94,425
  6. Step 6: Final answer
    x = 70,938.00

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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.