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Finding the Fourth Proportional to 235,065.60, 352,828.80 and 116,870.40

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Solution

The fourth proportional to 235,065.60, 352,828.80 and 116,870.40 is: 175,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,065.60 : 352,828.80 = 116,870.40 : x
  2. Step 2: Convert to fraction form
    235,065.60/352,828.80 = 116,870.40/x
  3. Step 3: Cross multiply
    235,065.60x = 352,828.80 × 116,870.40
  4. Step 4: Simplify right side
    235,065.60x = 41,235,242,987.52
  5. Step 5: Solve for x
    x = 41,235,242,987.52/235,065.60
  6. Step 6: Final answer
    x = 175,420.15

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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.