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Finding the Fourth Proportional to 98,248.32, 135,582.76 and 53,536.32

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Solution

The fourth proportional to 98,248.32, 135,582.76 and 53,536.32 is: 73,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,248.32 : 135,582.76 = 53,536.32 : x
  2. Step 2: Convert to fraction form
    98,248.32/135,582.76 = 53,536.32/x
  3. Step 3: Cross multiply
    98,248.32x = 135,582.76 × 53,536.32
  4. Step 4: Simplify right side
    98,248.32x = 7,258,602,025.84
  5. Step 5: Solve for x
    x = 7,258,602,025.84/98,248.32
  6. Step 6: Final answer
    x = 73,880.16

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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.