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Finding the Fourth Proportional to 167,430.90, 251,146.35 and 56,622.90

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Solution

The fourth proportional to 167,430.90, 251,146.35 and 56,622.90 is: 84,934.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,430.90 : 251,146.35 = 56,622.90 : x
  2. Step 2: Convert to fraction form
    167,430.90/251,146.35 = 56,622.90/x
  3. Step 3: Cross multiply
    167,430.90x = 251,146.35 × 56,622.90
  4. Step 4: Simplify right side
    167,430.90x = 14,220,634,661.42
  5. Step 5: Solve for x
    x = 14,220,634,661.42/167,430.90
  6. Step 6: Final answer
    x = 84,934.35

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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.