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Finding the Fourth Proportional to 98,009,817.40, 147,014,726.10 and 98,009,817.40

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Solution

The fourth proportional to 98,009,817.40, 147,014,726.10 and 98,009,817.40 is: 147,014,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,009,817.40 : 147,014,726.10 = 98,009,817.40 : x
  2. Step 2: Convert to fraction form
    98,009,817.40/147,014,726.10 = 98,009,817.40/x
  3. Step 3: Cross multiply
    98,009,817.40x = 147,014,726.10 × 98,009,817.40
  4. Step 4: Simplify right side
    98,009,817.40x = 14,408,886,460,172,014
  5. Step 5: Solve for x
    x = 14,408,886,460,172,014/98,009,817.40
  6. Step 6: Final answer
    x = 147,014,726.10

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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.