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Finding the Fourth Proportional to 170,319.61, 235,023.45 and 104,898.01

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Solution

The fourth proportional to 170,319.61, 235,023.45 and 104,898.01 is: 144,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,319.61 : 235,023.45 = 104,898.01 : x
  2. Step 2: Convert to fraction form
    170,319.61/235,023.45 = 104,898.01/x
  3. Step 3: Cross multiply
    170,319.61x = 235,023.45 × 104,898.01
  4. Step 4: Simplify right side
    170,319.61x = 24,653,492,624.11
  5. Step 5: Solve for x
    x = 24,653,492,624.11/170,319.61
  6. Step 6: Final answer
    x = 144,748.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.