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Finding the Fourth Proportional to 59,802.51, 89,703.90 and 56,148.86

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Solution

The fourth proportional to 59,802.51, 89,703.90 and 56,148.86 is: 84,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,802.51 : 89,703.90 = 56,148.86 : x
  2. Step 2: Convert to fraction form
    59,802.51/89,703.90 = 56,148.86/x
  3. Step 3: Cross multiply
    59,802.51x = 89,703.90 × 56,148.86
  4. Step 4: Simplify right side
    59,802.51x = 5,036,770,993.29
  5. Step 5: Solve for x
    x = 5,036,770,993.29/59,802.51
  6. Step 6: Final answer
    x = 84,223.40

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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.