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Finding the Fourth Proportional to 111,463.04, 153,813.12 and 63,710.08

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Solution

The fourth proportional to 111,463.04, 153,813.12 and 63,710.08 is: 87,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,463.04 : 153,813.12 = 63,710.08 : x
  2. Step 2: Convert to fraction form
    111,463.04/153,813.12 = 63,710.08/x
  3. Step 3: Cross multiply
    111,463.04x = 153,813.12 × 63,710.08
  4. Step 4: Simplify right side
    111,463.04x = 9,799,446,180.25
  5. Step 5: Solve for x
    x = 9,799,446,180.25/111,463.04
  6. Step 6: Final answer
    x = 87,916.55

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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.