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Finding the Fourth Proportional to 108,681, 163,036.08 and 46,366.08

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Solution

The fourth proportional to 108,681, 163,036.08 and 46,366.08 is: 69,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,681 : 163,036.08 = 46,366.08 : x
  2. Step 2: Convert to fraction form
    108,681/163,036.08 = 46,366.08/x
  3. Step 3: Cross multiply
    108,681x = 163,036.08 × 46,366.08
  4. Step 4: Simplify right side
    108,681x = 7,559,343,928.17
  5. Step 5: Solve for x
    x = 7,559,343,928.17/108,681
  6. Step 6: Final answer
    x = 69,555.34

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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.