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Finding the Fourth Proportional to 111,110.54, 153,328.58 and 63,379.22

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Solution

The fourth proportional to 111,110.54, 153,328.58 and 63,379.22 is: 87,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,110.54 : 153,328.58 = 63,379.22 : x
  2. Step 2: Convert to fraction form
    111,110.54/153,328.58 = 63,379.22/x
  3. Step 3: Cross multiply
    111,110.54x = 153,328.58 × 63,379.22
  4. Step 4: Simplify right side
    111,110.54x = 9,717,845,804.11
  5. Step 5: Solve for x
    x = 9,717,845,804.11/111,110.54
  6. Step 6: Final answer
    x = 87,461.06

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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.