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Finding the Fourth Proportional to 118,447.65, 163,457.49 and 67,460.38

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Solution

The fourth proportional to 118,447.65, 163,457.49 and 67,460.38 is: 93,095.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,447.65 : 163,457.49 = 67,460.38 : x
  2. Step 2: Convert to fraction form
    118,447.65/163,457.49 = 67,460.38/x
  3. Step 3: Cross multiply
    118,447.65x = 163,457.49 × 67,460.38
  4. Step 4: Simplify right side
    118,447.65x = 11,026,903,980.60
  5. Step 5: Solve for x
    x = 11,026,903,980.60/118,447.65
  6. Step 6: Final answer
    x = 93,095.17

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1.5x scale

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.