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Finding the Fourth Proportional to 116,417.60, 174,703.20 and 42,545.60

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Solution

The fourth proportional to 116,417.60, 174,703.20 and 42,545.60 is: 63,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,417.60 : 174,703.20 = 42,545.60 : x
  2. Step 2: Convert to fraction form
    116,417.60/174,703.20 = 42,545.60/x
  3. Step 3: Cross multiply
    116,417.60x = 174,703.20 × 42,545.60
  4. Step 4: Simplify right side
    116,417.60x = 7,432,852,465.92
  5. Step 5: Solve for x
    x = 7,432,852,465.92/116,417.60
  6. Step 6: Final answer
    x = 63,846.47

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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.