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Finding the Fourth Proportional to 249,762.51, 344,442.21 and 163,690.16

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Solution

The fourth proportional to 249,762.51, 344,442.21 and 163,690.16 is: 225,741.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,762.51 : 344,442.21 = 163,690.16 : x
  2. Step 2: Convert to fraction form
    249,762.51/344,442.21 = 163,690.16/x
  3. Step 3: Cross multiply
    249,762.51x = 344,442.21 × 163,690.16
  4. Step 4: Simplify right side
    249,762.51x = 56,381,798,743.44
  5. Step 5: Solve for x
    x = 56,381,798,743.44/249,762.51
  6. Step 6: Final answer
    x = 225,741.64

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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.