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Finding the Fourth Proportional to 89,645,643.60, 134,468,465.40 and 89,645,643.60

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Solution

The fourth proportional to 89,645,643.60, 134,468,465.40 and 89,645,643.60 is: 134,468,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,645,643.60 : 134,468,465.40 = 89,645,643.60 : x
  2. Step 2: Convert to fraction form
    89,645,643.60/134,468,465.40 = 89,645,643.60/x
  3. Step 3: Cross multiply
    89,645,643.60x = 134,468,465.40 × 89,645,643.60
  4. Step 4: Simplify right side
    89,645,643.60x = 12,054,512,124,687,332
  5. Step 5: Solve for x
    x = 12,054,512,124,687,332/89,645,643.60
  6. Step 6: Final answer
    x = 134,468,465.40

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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.