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Finding the Fourth Proportional to 60,048.76, 90,041.28 and 30,030.16

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Solution

The fourth proportional to 60,048.76, 90,041.28 and 30,030.16 is: 45,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,048.76 : 90,041.28 = 30,030.16 : x
  2. Step 2: Convert to fraction form
    60,048.76/90,041.28 = 30,030.16/x
  3. Step 3: Cross multiply
    60,048.76x = 90,041.28 × 30,030.16
  4. Step 4: Simplify right side
    60,048.76x = 2,703,954,045.00
  5. Step 5: Solve for x
    x = 2,703,954,045.00/60,048.76
  6. Step 6: Final answer
    x = 45,029.31

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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.