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Finding the Fourth Proportional to 93,641.55, 129,210.84 and 53,357.01

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Solution

The fourth proportional to 93,641.55, 129,210.84 and 53,357.01 is: 73,624.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,641.55 : 129,210.84 = 53,357.01 : x
  2. Step 2: Convert to fraction form
    93,641.55/129,210.84 = 53,357.01/x
  3. Step 3: Cross multiply
    93,641.55x = 129,210.84 × 53,357.01
  4. Step 4: Simplify right side
    93,641.55x = 6,894,304,081.99
  5. Step 5: Solve for x
    x = 6,894,304,081.99/93,641.55
  6. Step 6: Final answer
    x = 73,624.41

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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.