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Finding the Fourth Proportional to 152,842.80, 228,931.80 and 93,498.96

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Solution

The fourth proportional to 152,842.80, 228,931.80 and 93,498.96 is: 140,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,842.80 : 228,931.80 = 93,498.96 : x
  2. Step 2: Convert to fraction form
    152,842.80/228,931.80 = 93,498.96/x
  3. Step 3: Cross multiply
    152,842.80x = 228,931.80 × 93,498.96
  4. Step 4: Simplify right side
    152,842.80x = 21,404,885,210.93
  5. Step 5: Solve for x
    x = 21,404,885,210.93/152,842.80
  6. Step 6: Final answer
    x = 140,045.10

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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.