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Finding the Fourth Proportional to 142,048.77, 213,030.77 and 117,026.79

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Solution

The fourth proportional to 142,048.77, 213,030.77 and 117,026.79 is: 175,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,048.77 : 213,030.77 = 117,026.79 : x
  2. Step 2: Convert to fraction form
    142,048.77/213,030.77 = 117,026.79/x
  3. Step 3: Cross multiply
    142,048.77x = 213,030.77 × 117,026.79
  4. Step 4: Simplify right side
    142,048.77x = 24,930,306,599.19
  5. Step 5: Solve for x
    x = 24,930,306,599.19/142,048.77
  6. Step 6: Final answer
    x = 175,505.26

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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.