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Finding the Fourth Proportional to 118,522.96, 163,555.95 and 67,547.65

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Solution

The fourth proportional to 118,522.96, 163,555.95 and 67,547.65 is: 93,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,522.96 : 163,555.95 = 67,547.65 : x
  2. Step 2: Convert to fraction form
    118,522.96/163,555.95 = 67,547.65/x
  3. Step 3: Cross multiply
    118,522.96x = 163,555.95 × 67,547.65
  4. Step 4: Simplify right side
    118,522.96x = 11,047,820,066.02
  5. Step 5: Solve for x
    x = 11,047,820,066.02/118,522.96
  6. Step 6: Final answer
    x = 93,212.49

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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.