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Finding the Fourth Proportional to 70,151,184.40, 105,077,477.40 and 58,207,248.40

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Solution

The fourth proportional to 70,151,184.40, 105,077,477.40 and 58,207,248.40 is: 87,186,993.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,151,184.40 : 105,077,477.40 = 58,207,248.40 : x
  2. Step 2: Convert to fraction form
    70,151,184.40/105,077,477.40 = 58,207,248.40/x
  3. Step 3: Cross multiply
    70,151,184.40x = 105,077,477.40 × 58,207,248.40
  4. Step 4: Simplify right side
    70,151,184.40x = 6,116,270,828,267,186
  5. Step 5: Solve for x
    x = 6,116,270,828,267,186/70,151,184.40
  6. Step 6: Final answer
    x = 87,186,993.07

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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.