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Finding the Fourth Proportional to 191,737.80, 287,606.70 and 176,574.60

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Solution

The fourth proportional to 191,737.80, 287,606.70 and 176,574.60 is: 264,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,737.80 : 287,606.70 = 176,574.60 : x
  2. Step 2: Convert to fraction form
    191,737.80/287,606.70 = 176,574.60/x
  3. Step 3: Cross multiply
    191,737.80x = 287,606.70 × 176,574.60
  4. Step 4: Simplify right side
    191,737.80x = 50,784,038,009.82
  5. Step 5: Solve for x
    x = 50,784,038,009.82/191,737.80
  6. Step 6: Final answer
    x = 264,861.90

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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.