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Finding the Fourth Proportional to 117,547.52, 176,085.96 and 67,487.12

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Solution

The fourth proportional to 117,547.52, 176,085.96 and 67,487.12 is: 101,095.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,547.52 : 176,085.96 = 67,487.12 : x
  2. Step 2: Convert to fraction form
    117,547.52/176,085.96 = 67,487.12/x
  3. Step 3: Cross multiply
    117,547.52x = 176,085.96 × 67,487.12
  4. Step 4: Simplify right side
    117,547.52x = 11,883,534,312.84
  5. Step 5: Solve for x
    x = 11,883,534,312.84/117,547.52
  6. Step 6: Final answer
    x = 101,095.58

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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.