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Finding the Fourth Proportional to 98,558,200.65, 147,837,300.98 and 98,558,200.65

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Solution

The fourth proportional to 98,558,200.65, 147,837,300.98 and 98,558,200.65 is: 147,837,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,558,200.65 : 147,837,300.98 = 98,558,200.65 : x
  2. Step 2: Convert to fraction form
    98,558,200.65/147,837,300.98 = 98,558,200.65/x
  3. Step 3: Cross multiply
    98,558,200.65x = 147,837,300.98 × 98,558,200.65
  4. Step 4: Simplify right side
    98,558,200.65x = 14,570,578,373,048,490
  5. Step 5: Solve for x
    x = 14,570,578,373,048,490/98,558,200.65
  6. Step 6: Final answer
    x = 147,837,300.98

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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.