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Finding the Fourth Proportional to 145,594.48, 218,345.28 and 56,826.40

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Solution

The fourth proportional to 145,594.48, 218,345.28 and 56,826.40 is: 85,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,594.48 : 218,345.28 = 56,826.40 : x
  2. Step 2: Convert to fraction form
    145,594.48/218,345.28 = 56,826.40/x
  3. Step 3: Cross multiply
    145,594.48x = 218,345.28 × 56,826.40
  4. Step 4: Simplify right side
    145,594.48x = 12,407,776,219.39
  5. Step 5: Solve for x
    x = 12,407,776,219.39/145,594.48
  6. Step 6: Final answer
    x = 85,221.47

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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.