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Finding the Fourth Proportional to 157,210.40, 216,968.20 and 93,548.20

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Solution

The fourth proportional to 157,210.40, 216,968.20 and 93,548.20 is: 129,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,210.40 : 216,968.20 = 93,548.20 : x
  2. Step 2: Convert to fraction form
    157,210.40/216,968.20 = 93,548.20/x
  3. Step 3: Cross multiply
    157,210.40x = 216,968.20 × 93,548.20
  4. Step 4: Simplify right side
    157,210.40x = 20,296,984,567.24
  5. Step 5: Solve for x
    x = 20,296,984,567.24/157,210.40
  6. Step 6: Final answer
    x = 129,107.14

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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.