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Finding the Fourth Proportional to 249,732, 344,631.60 and 160,308

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Solution

The fourth proportional to 249,732, 344,631.60 and 160,308 is: 221,225.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,732 : 344,631.60 = 160,308 : x
  2. Step 2: Convert to fraction form
    249,732/344,631.60 = 160,308/x
  3. Step 3: Cross multiply
    249,732x = 344,631.60 × 160,308
  4. Step 4: Simplify right side
    249,732x = 55,247,202,532.80
  5. Step 5: Solve for x
    x = 55,247,202,532.80/249,732
  6. Step 6: Final answer
    x = 221,225.96

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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.