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Finding the Fourth Proportional to 133,411.60, 200,117.40 and 118,248.40

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Solution

The fourth proportional to 133,411.60, 200,117.40 and 118,248.40 is: 177,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,411.60 : 200,117.40 = 118,248.40 : x
  2. Step 2: Convert to fraction form
    133,411.60/200,117.40 = 118,248.40/x
  3. Step 3: Cross multiply
    133,411.60x = 200,117.40 × 118,248.40
  4. Step 4: Simplify right side
    133,411.60x = 23,663,562,362.16
  5. Step 5: Solve for x
    x = 23,663,562,362.16/133,411.60
  6. Step 6: Final answer
    x = 177,372.60

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1.5x scale

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.