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Finding the Fourth Proportional to 142,866.95, 214,279.36 and 37,693.31

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Solution

The fourth proportional to 142,866.95, 214,279.36 and 37,693.31 is: 56,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,866.95 : 214,279.36 = 37,693.31 : x
  2. Step 2: Convert to fraction form
    142,866.95/214,279.36 = 37,693.31/x
  3. Step 3: Cross multiply
    142,866.95x = 214,279.36 × 37,693.31
  4. Step 4: Simplify right side
    142,866.95x = 8,076,897,177.45
  5. Step 5: Solve for x
    x = 8,076,897,177.45/142,866.95
  6. Step 6: Final answer
    x = 56,534.40

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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.