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Finding the Fourth Proportional to 235,132.60, 352,697.00 and 139,730.98

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Solution

The fourth proportional to 235,132.60, 352,697.00 and 139,730.98 is: 209,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,132.60 : 352,697.00 = 139,730.98 : x
  2. Step 2: Convert to fraction form
    235,132.60/352,697.00 = 139,730.98/x
  3. Step 3: Cross multiply
    235,132.60x = 352,697.00 × 139,730.98
  4. Step 4: Simplify right side
    235,132.60x = 49,282,696,038.90
  5. Step 5: Solve for x
    x = 49,282,696,038.90/235,132.60
  6. Step 6: Final answer
    x = 209,595.34

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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.