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Finding the Fourth Proportional to 235,526.18, 353,281.16 and 67,047.54

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Solution

The fourth proportional to 235,526.18, 353,281.16 and 67,047.54 is: 100,569.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,526.18 : 353,281.16 = 67,047.54 : x
  2. Step 2: Convert to fraction form
    235,526.18/353,281.16 = 67,047.54/x
  3. Step 3: Cross multiply
    235,526.18x = 353,281.16 × 67,047.54
  4. Step 4: Simplify right side
    235,526.18x = 23,686,632,706.35
  5. Step 5: Solve for x
    x = 23,686,632,706.35/235,526.18
  6. Step 6: Final answer
    x = 100,569.00

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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.