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Finding the Fourth Proportional to 160,598.98, 240,836.14 and 85,678.26

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Solution

The fourth proportional to 160,598.98, 240,836.14 and 85,678.26 is: 128,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,598.98 : 240,836.14 = 85,678.26 : x
  2. Step 2: Convert to fraction form
    160,598.98/240,836.14 = 85,678.26/x
  3. Step 3: Cross multiply
    160,598.98x = 240,836.14 × 85,678.26
  4. Step 4: Simplify right side
    160,598.98x = 20,634,421,420.32
  5. Step 5: Solve for x
    x = 20,634,421,420.32/160,598.98
  6. Step 6: Final answer
    x = 128,484.14

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1.5x scale

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.