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Finding the Fourth Proportional to 235,378.29, 353,069.90 and 93,258.16

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Solution

The fourth proportional to 235,378.29, 353,069.90 and 93,258.16 is: 139,888.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,378.29 : 353,069.90 = 93,258.16 : x
  2. Step 2: Convert to fraction form
    235,378.29/353,069.90 = 93,258.16/x
  3. Step 3: Cross multiply
    235,378.29x = 353,069.90 × 93,258.16
  4. Step 4: Simplify right side
    235,378.29x = 32,926,649,225.38
  5. Step 5: Solve for x
    x = 32,926,649,225.38/235,378.29
  6. Step 6: Final answer
    x = 139,888.22

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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.