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Finding the Fourth Proportional to 163,713.60, 245,570.40 and 162,547.20

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Solution

The fourth proportional to 163,713.60, 245,570.40 and 162,547.20 is: 243,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,713.60 : 245,570.40 = 162,547.20 : x
  2. Step 2: Convert to fraction form
    163,713.60/245,570.40 = 162,547.20/x
  3. Step 3: Cross multiply
    163,713.60x = 245,570.40 × 162,547.20
  4. Step 4: Simplify right side
    163,713.60x = 39,916,780,922.88
  5. Step 5: Solve for x
    x = 39,916,780,922.88/163,713.60
  6. Step 6: Final answer
    x = 243,820.80

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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.