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Finding the Fourth Proportional to 89,698.40, 134,547.60 and 37,090.40

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Solution

The fourth proportional to 89,698.40, 134,547.60 and 37,090.40 is: 55,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,698.40 : 134,547.60 = 37,090.40 : x
  2. Step 2: Convert to fraction form
    89,698.40/134,547.60 = 37,090.40/x
  3. Step 3: Cross multiply
    89,698.40x = 134,547.60 × 37,090.40
  4. Step 4: Simplify right side
    89,698.40x = 4,990,424,303.04
  5. Step 5: Solve for x
    x = 4,990,424,303.04/89,698.40
  6. Step 6: Final answer
    x = 55,635.60

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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.