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Finding the Fourth Proportional to 281,602.02, 388,618.56 and 160,762.98

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Solution

The fourth proportional to 281,602.02, 388,618.56 and 160,762.98 is: 221,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,602.02 : 388,618.56 = 160,762.98 : x
  2. Step 2: Convert to fraction form
    281,602.02/388,618.56 = 160,762.98/x
  3. Step 3: Cross multiply
    281,602.02x = 388,618.56 × 160,762.98
  4. Step 4: Simplify right side
    281,602.02x = 62,475,477,788.91
  5. Step 5: Solve for x
    x = 62,475,477,788.91/281,602.02
  6. Step 6: Final answer
    x = 221,857.35

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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.