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Finding the Fourth Proportional to 288,023.93, 432,038.46 and 88,345.25

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Solution

The fourth proportional to 288,023.93, 432,038.46 and 88,345.25 is: 132,518.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,023.93 : 432,038.46 = 88,345.25 : x
  2. Step 2: Convert to fraction form
    288,023.93/432,038.46 = 88,345.25/x
  3. Step 3: Cross multiply
    288,023.93x = 432,038.46 × 88,345.25
  4. Step 4: Simplify right side
    288,023.93x = 38,168,545,758.32
  5. Step 5: Solve for x
    x = 38,168,545,758.32/288,023.93
  6. Step 6: Final answer
    x = 132,518.66

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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.